Home / 14,726.61-20,319.97-8,759.75

Finding the Fourth Proportional to 14,726.61, 20,319.97 and 8,759.75

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Solution

The fourth proportional to 14,726.61, 20,319.97 and 8,759.75 is: 12,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.61 : 20,319.97 = 8,759.75 : x
  2. Step 2: Convert to fraction form
    14,726.61/20,319.97 = 8,759.75/x
  3. Step 3: Cross multiply
    14,726.61x = 20,319.97 × 8,759.75
  4. Step 4: Simplify right side
    14,726.61x = 177,997,857.21
  5. Step 5: Solve for x
    x = 177,997,857.21/14,726.61
  6. Step 6: Final answer
    x = 12,086.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.