Home / 14,240.43-21,347.32-5,915.15

Finding the Fourth Proportional to 14,240.43, 21,347.32 and 5,915.15

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Solution

The fourth proportional to 14,240.43, 21,347.32 and 5,915.15 is: 8,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.43 : 21,347.32 = 5,915.15 : x
  2. Step 2: Convert to fraction form
    14,240.43/21,347.32 = 5,915.15/x
  3. Step 3: Cross multiply
    14,240.43x = 21,347.32 × 5,915.15
  4. Step 4: Simplify right side
    14,240.43x = 126,272,646.19
  5. Step 5: Solve for x
    x = 126,272,646.19/14,240.43
  6. Step 6: Final answer
    x = 8,867.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.