Home / 10,380.75-14,331.92-6,661.23

Finding the Fourth Proportional to 10,380.75, 14,331.92 and 6,661.23

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Solution

The fourth proportional to 10,380.75, 14,331.92 and 6,661.23 is: 9,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.75 : 14,331.92 = 6,661.23 : x
  2. Step 2: Convert to fraction form
    10,380.75/14,331.92 = 6,661.23/x
  3. Step 3: Cross multiply
    10,380.75x = 14,331.92 × 6,661.23
  4. Step 4: Simplify right side
    10,380.75x = 95,468,182.16
  5. Step 5: Solve for x
    x = 95,468,182.16/10,380.75
  6. Step 6: Final answer
    x = 9,196.66

Related Problems

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Half scale
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Double scale
Find fourth proportional to 10,381.75, 14,333.30 and 6,662.23
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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.