Home / 42,368.87-63,553.68-10,778.97

Finding the Fourth Proportional to 42,368.87, 63,553.68 and 10,778.97

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Solution

The fourth proportional to 42,368.87, 63,553.68 and 10,778.97 is: 16,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.87 : 63,553.68 = 10,778.97 : x
  2. Step 2: Convert to fraction form
    42,368.87/63,553.68 = 10,778.97/x
  3. Step 3: Cross multiply
    42,368.87x = 63,553.68 × 10,778.97
  4. Step 4: Simplify right side
    42,368.87x = 685,043,156.21
  5. Step 5: Solve for x
    x = 685,043,156.21/42,368.87
  6. Step 6: Final answer
    x = 16,168.55

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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.