Home / 10,479.08-15,712.14-6,785.48

Finding the Fourth Proportional to 10,479.08, 15,712.14 and 6,785.48

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Solution

The fourth proportional to 10,479.08, 15,712.14 and 6,785.48 is: 10,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.08 : 15,712.14 = 6,785.48 : x
  2. Step 2: Convert to fraction form
    10,479.08/15,712.14 = 6,785.48/x
  3. Step 3: Cross multiply
    10,479.08x = 15,712.14 × 6,785.48
  4. Step 4: Simplify right side
    10,479.08x = 106,614,411.73
  5. Step 5: Solve for x
    x = 106,614,411.73/10,479.08
  6. Step 6: Final answer
    x = 10,174.02

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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.