Home / 10,342.08-15,507.60-5,399.76

Finding the Fourth Proportional to 10,342.08, 15,507.60 and 5,399.76

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Solution

The fourth proportional to 10,342.08, 15,507.60 and 5,399.76 is: 8,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.08 : 15,507.60 = 5,399.76 : x
  2. Step 2: Convert to fraction form
    10,342.08/15,507.60 = 5,399.76/x
  3. Step 3: Cross multiply
    10,342.08x = 15,507.60 × 5,399.76
  4. Step 4: Simplify right side
    10,342.08x = 83,737,318.18
  5. Step 5: Solve for x
    x = 83,737,318.18/10,342.08
  6. Step 6: Final answer
    x = 8,096.76

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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.