Home / 42,297.18-63,440.73-11,134.86

Finding the Fourth Proportional to 42,297.18, 63,440.73 and 11,134.86

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Solution

The fourth proportional to 42,297.18, 63,440.73 and 11,134.86 is: 16,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297.18 : 63,440.73 = 11,134.86 : x
  2. Step 2: Convert to fraction form
    42,297.18/63,440.73 = 11,134.86/x
  3. Step 3: Cross multiply
    42,297.18x = 63,440.73 × 11,134.86
  4. Step 4: Simplify right side
    42,297.18x = 706,403,646.85
  5. Step 5: Solve for x
    x = 706,403,646.85/42,297.18
  6. Step 6: Final answer
    x = 16,700.96

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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.