Home / 42,379.74-63,569.60-11,214.99

Finding the Fourth Proportional to 42,379.74, 63,569.60 and 11,214.99

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Solution

The fourth proportional to 42,379.74, 63,569.60 and 11,214.99 is: 16,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.74 : 63,569.60 = 11,214.99 : x
  2. Step 2: Convert to fraction form
    42,379.74/63,569.60 = 11,214.99/x
  3. Step 3: Cross multiply
    42,379.74x = 63,569.60 × 11,214.99
  4. Step 4: Simplify right side
    42,379.74x = 712,932,414.29
  5. Step 5: Solve for x
    x = 712,932,414.29/42,379.74
  6. Step 6: Final answer
    x = 16,822.48

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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.