Home / 16,177.65-22,320.67-9,715.62

Finding the Fourth Proportional to 16,177.65, 22,320.67 and 9,715.62

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Solution

The fourth proportional to 16,177.65, 22,320.67 and 9,715.62 is: 13,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.65 : 22,320.67 = 9,715.62 : x
  2. Step 2: Convert to fraction form
    16,177.65/22,320.67 = 9,715.62/x
  3. Step 3: Cross multiply
    16,177.65x = 22,320.67 × 9,715.62
  4. Step 4: Simplify right side
    16,177.65x = 216,859,147.87
  5. Step 5: Solve for x
    x = 216,859,147.87/16,177.65
  6. Step 6: Final answer
    x = 13,404.86

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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.