Home / 9,136.32-12,613.89-6,614.52

Finding the Fourth Proportional to 9,136.32, 12,613.89 and 6,614.52

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Solution

The fourth proportional to 9,136.32, 12,613.89 and 6,614.52 is: 9,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.32 : 12,613.89 = 6,614.52 : x
  2. Step 2: Convert to fraction form
    9,136.32/12,613.89 = 6,614.52/x
  3. Step 3: Cross multiply
    9,136.32x = 12,613.89 × 6,614.52
  4. Step 4: Simplify right side
    9,136.32x = 83,434,827.68
  5. Step 5: Solve for x
    x = 83,434,827.68/9,136.32
  6. Step 6: Final answer
    x = 9,132.21

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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.