Home / 12,988.46-19,475.71-6,732.97

Finding the Fourth Proportional to 12,988.46, 19,475.71 and 6,732.97

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Solution

The fourth proportional to 12,988.46, 19,475.71 and 6,732.97 is: 10,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988.46 : 19,475.71 = 6,732.97 : x
  2. Step 2: Convert to fraction form
    12,988.46/19,475.71 = 6,732.97/x
  3. Step 3: Cross multiply
    12,988.46x = 19,475.71 × 6,732.97
  4. Step 4: Simplify right side
    12,988.46x = 131,129,288.80
  5. Step 5: Solve for x
    x = 131,129,288.80/12,988.46
  6. Step 6: Final answer
    x = 10,095.83

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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.