Home / 10,207.94-15,285.17-6,686.87

Finding the Fourth Proportional to 10,207.94, 15,285.17 and 6,686.87

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Solution

The fourth proportional to 10,207.94, 15,285.17 and 6,686.87 is: 10,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.94 : 15,285.17 = 6,686.87 : x
  2. Step 2: Convert to fraction form
    10,207.94/15,285.17 = 6,686.87/x
  3. Step 3: Cross multiply
    10,207.94x = 15,285.17 × 6,686.87
  4. Step 4: Simplify right side
    10,207.94x = 102,209,885.01
  5. Step 5: Solve for x
    x = 102,209,885.01/10,207.94
  6. Step 6: Final answer
    x = 10,012.79

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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.