Home / 42,313.50-63,474.10-11,148.75

Finding the Fourth Proportional to 42,313.50, 63,474.10 and 11,148.75

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Solution

The fourth proportional to 42,313.50, 63,474.10 and 11,148.75 is: 16,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,313.50 : 63,474.10 = 11,148.75 : x
  2. Step 2: Convert to fraction form
    42,313.50/63,474.10 = 11,148.75/x
  3. Step 3: Cross multiply
    42,313.50x = 63,474.10 × 11,148.75
  4. Step 4: Simplify right side
    42,313.50x = 707,656,844.50
  5. Step 5: Solve for x
    x = 707,656,844.50/42,313.50
  6. Step 6: Final answer
    x = 16,724.14

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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.