Home / 16,345.62-22,561.71-10,681.20

Finding the Fourth Proportional to 16,345.62, 22,561.71 and 10,681.20

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Solution

The fourth proportional to 16,345.62, 22,561.71 and 10,681.20 is: 14,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.62 : 22,561.71 = 10,681.20 : x
  2. Step 2: Convert to fraction form
    16,345.62/22,561.71 = 10,681.20/x
  3. Step 3: Cross multiply
    16,345.62x = 22,561.71 × 10,681.20
  4. Step 4: Simplify right side
    16,345.62x = 240,986,136.85
  5. Step 5: Solve for x
    x = 240,986,136.85/16,345.62
  6. Step 6: Final answer
    x = 14,743.16

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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.