Home / 14,147.89-19,521.16-8,481.13

Finding the Fourth Proportional to 14,147.89, 19,521.16 and 8,481.13

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Solution

The fourth proportional to 14,147.89, 19,521.16 and 8,481.13 is: 11,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.89 : 19,521.16 = 8,481.13 : x
  2. Step 2: Convert to fraction form
    14,147.89/19,521.16 = 8,481.13/x
  3. Step 3: Cross multiply
    14,147.89x = 19,521.16 × 8,481.13
  4. Step 4: Simplify right side
    14,147.89x = 165,561,425.71
  5. Step 5: Solve for x
    x = 165,561,425.71/14,147.89
  6. Step 6: Final answer
    x = 11,702.20

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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.