Home / 15,614.71-21,550.94-12,282.91

Finding the Fourth Proportional to 15,614.71, 21,550.94 and 12,282.91

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Solution

The fourth proportional to 15,614.71, 21,550.94 and 12,282.91 is: 16,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.71 : 21,550.94 = 12,282.91 : x
  2. Step 2: Convert to fraction form
    15,614.71/21,550.94 = 12,282.91/x
  3. Step 3: Cross multiply
    15,614.71x = 21,550.94 × 12,282.91
  4. Step 4: Simplify right side
    15,614.71x = 264,708,256.44
  5. Step 5: Solve for x
    x = 264,708,256.44/15,614.71
  6. Step 6: Final answer
    x = 16,952.49

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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.