Home / 13,073.16-19,566-12,898.20

Finding the Fourth Proportional to 13,073.16, 19,566 and 12,898.20

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Solution

The fourth proportional to 13,073.16, 19,566 and 12,898.20 is: 19,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.16 : 19,566 = 12,898.20 : x
  2. Step 2: Convert to fraction form
    13,073.16/19,566 = 12,898.20/x
  3. Step 3: Cross multiply
    13,073.16x = 19,566 × 12,898.20
  4. Step 4: Simplify right side
    13,073.16x = 252,366,181.20
  5. Step 5: Solve for x
    x = 252,366,181.20/13,073.16
  6. Step 6: Final answer
    x = 19,304.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.