Home / 14,770.34-20,382.02-8,310.92

Finding the Fourth Proportional to 14,770.34, 20,382.02 and 8,310.92

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Solution

The fourth proportional to 14,770.34, 20,382.02 and 8,310.92 is: 11,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.34 : 20,382.02 = 8,310.92 : x
  2. Step 2: Convert to fraction form
    14,770.34/20,382.02 = 8,310.92/x
  3. Step 3: Cross multiply
    14,770.34x = 20,382.02 × 8,310.92
  4. Step 4: Simplify right side
    14,770.34x = 169,393,337.66
  5. Step 5: Solve for x
    x = 169,393,337.66/14,770.34
  6. Step 6: Final answer
    x = 11,468.48

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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.