Home / 14,770.34-20,385.24-8,805.50

Finding the Fourth Proportional to 14,770.34, 20,385.24 and 8,805.50

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Solution

The fourth proportional to 14,770.34, 20,385.24 and 8,805.50 is: 12,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.34 : 20,385.24 = 8,805.50 : x
  2. Step 2: Convert to fraction form
    14,770.34/20,385.24 = 8,805.50/x
  3. Step 3: Cross multiply
    14,770.34x = 20,385.24 × 8,805.50
  4. Step 4: Simplify right side
    14,770.34x = 179,502,230.82
  5. Step 5: Solve for x
    x = 179,502,230.82/14,770.34
  6. Step 6: Final answer
    x = 12,152.88

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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.