Home / 12,015.09-16,588.13-8,244.45

Finding the Fourth Proportional to 12,015.09, 16,588.13 and 8,244.45

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Solution

The fourth proportional to 12,015.09, 16,588.13 and 8,244.45 is: 11,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.09 : 16,588.13 = 8,244.45 : x
  2. Step 2: Convert to fraction form
    12,015.09/16,588.13 = 8,244.45/x
  3. Step 3: Cross multiply
    12,015.09x = 16,588.13 × 8,244.45
  4. Step 4: Simplify right side
    12,015.09x = 136,759,967.16
  5. Step 5: Solve for x
    x = 136,759,967.16/12,015.09
  6. Step 6: Final answer
    x = 11,382.35

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Half scale
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Double scale
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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.