Home / 12,815.35-19,216.17-6,572.81

Finding the Fourth Proportional to 12,815.35, 19,216.17 and 6,572.81

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Solution

The fourth proportional to 12,815.35, 19,216.17 and 6,572.81 is: 9,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.35 : 19,216.17 = 6,572.81 : x
  2. Step 2: Convert to fraction form
    12,815.35/19,216.17 = 6,572.81/x
  3. Step 3: Cross multiply
    12,815.35x = 19,216.17 × 6,572.81
  4. Step 4: Simplify right side
    12,815.35x = 126,304,282.38
  5. Step 5: Solve for x
    x = 126,304,282.38/12,815.35
  6. Step 6: Final answer
    x = 9,855.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.