Home / 16,488.65-22,752.52-9,317.81

Finding the Fourth Proportional to 16,488.65, 22,752.52 and 9,317.81

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Solution

The fourth proportional to 16,488.65, 22,752.52 and 9,317.81 is: 12,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.65 : 22,752.52 = 9,317.81 : x
  2. Step 2: Convert to fraction form
    16,488.65/22,752.52 = 9,317.81/x
  3. Step 3: Cross multiply
    16,488.65x = 22,752.52 × 9,317.81
  4. Step 4: Simplify right side
    16,488.65x = 212,003,691.97
  5. Step 5: Solve for x
    x = 212,003,691.97/16,488.65
  6. Step 6: Final answer
    x = 12,857.55

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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.