Home / 15,113.10-20,842.13-9,446.04

Finding the Fourth Proportional to 15,113.10, 20,842.13 and 9,446.04

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Solution

The fourth proportional to 15,113.10, 20,842.13 and 9,446.04 is: 13,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.10 : 20,842.13 = 9,446.04 : x
  2. Step 2: Convert to fraction form
    15,113.10/20,842.13 = 9,446.04/x
  3. Step 3: Cross multiply
    15,113.10x = 20,842.13 × 9,446.04
  4. Step 4: Simplify right side
    15,113.10x = 196,875,593.67
  5. Step 5: Solve for x
    x = 196,875,593.67/15,113.10
  6. Step 6: Final answer
    x = 13,026.82

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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.