Home / 14,645.46-20,205.30-9,612.47

Finding the Fourth Proportional to 14,645.46, 20,205.30 and 9,612.47

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Solution

The fourth proportional to 14,645.46, 20,205.30 and 9,612.47 is: 13,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.46 : 20,205.30 = 9,612.47 : x
  2. Step 2: Convert to fraction form
    14,645.46/20,205.30 = 9,612.47/x
  3. Step 3: Cross multiply
    14,645.46x = 20,205.30 × 9,612.47
  4. Step 4: Simplify right side
    14,645.46x = 194,222,872.58
  5. Step 5: Solve for x
    x = 194,222,872.58/14,645.46
  6. Step 6: Final answer
    x = 13,261.65

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Double scale
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Similar ratio
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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.