Home / 12,445.89-17,197.18-9,948.62

Finding the Fourth Proportional to 12,445.89, 17,197.18 and 9,948.62

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Solution

The fourth proportional to 12,445.89, 17,197.18 and 9,948.62 is: 13,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.89 : 17,197.18 = 9,948.62 : x
  2. Step 2: Convert to fraction form
    12,445.89/17,197.18 = 9,948.62/x
  3. Step 3: Cross multiply
    12,445.89x = 17,197.18 × 9,948.62
  4. Step 4: Simplify right side
    12,445.89x = 171,088,227.01
  5. Step 5: Solve for x
    x = 171,088,227.01/12,445.89
  6. Step 6: Final answer
    x = 13,746.57

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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.