Home / 10,865.92-14,993.50-6,387.04

Finding the Fourth Proportional to 10,865.92, 14,993.50 and 6,387.04

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Solution

The fourth proportional to 10,865.92, 14,993.50 and 6,387.04 is: 8,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.92 : 14,993.50 = 6,387.04 : x
  2. Step 2: Convert to fraction form
    10,865.92/14,993.50 = 6,387.04/x
  3. Step 3: Cross multiply
    10,865.92x = 14,993.50 × 6,387.04
  4. Step 4: Simplify right side
    10,865.92x = 95,764,084.24
  5. Step 5: Solve for x
    x = 95,764,084.24/10,865.92
  6. Step 6: Final answer
    x = 8,813.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.