Home / 42,295.42-63,430.17-11,126.62

Finding the Fourth Proportional to 42,295.42, 63,430.17 and 11,126.62

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Solution

The fourth proportional to 42,295.42, 63,430.17 and 11,126.62 is: 16,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,295.42 : 63,430.17 = 11,126.62 : x
  2. Step 2: Convert to fraction form
    42,295.42/63,430.17 = 11,126.62/x
  3. Step 3: Cross multiply
    42,295.42x = 63,430.17 × 11,126.62
  4. Step 4: Simplify right side
    42,295.42x = 705,763,398.13
  5. Step 5: Solve for x
    x = 705,763,398.13/42,295.42
  6. Step 6: Final answer
    x = 16,686.52

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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.