Home / 10,468.12-15,715.50-6,785.76

Finding the Fourth Proportional to 10,468.12, 15,715.50 and 6,785.76

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Solution

The fourth proportional to 10,468.12, 15,715.50 and 6,785.76 is: 10,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.12 : 15,715.50 = 6,785.76 : x
  2. Step 2: Convert to fraction form
    10,468.12/15,715.50 = 6,785.76/x
  3. Step 3: Cross multiply
    10,468.12x = 15,715.50 × 6,785.76
  4. Step 4: Simplify right side
    10,468.12x = 106,641,611.28
  5. Step 5: Solve for x
    x = 106,641,611.28/10,468.12
  6. Step 6: Final answer
    x = 10,187.27

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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.