Home / 14,705.96-20,292.75-8,331.28

Finding the Fourth Proportional to 14,705.96, 20,292.75 and 8,331.28

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Solution

The fourth proportional to 14,705.96, 20,292.75 and 8,331.28 is: 11,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705.96 : 20,292.75 = 8,331.28 : x
  2. Step 2: Convert to fraction form
    14,705.96/20,292.75 = 8,331.28/x
  3. Step 3: Cross multiply
    14,705.96x = 20,292.75 × 8,331.28
  4. Step 4: Simplify right side
    14,705.96x = 169,064,582.22
  5. Step 5: Solve for x
    x = 169,064,582.22/14,705.96
  6. Step 6: Final answer
    x = 11,496.33

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Half scale
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Double scale
Find fourth proportional to 14,706.96, 20,294.13 and 8,332.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.