Home / 18,401.18-25,385.13-10,842.35

Finding the Fourth Proportional to 18,401.18, 25,385.13 and 10,842.35

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Solution

The fourth proportional to 18,401.18, 25,385.13 and 10,842.35 is: 14,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.18 : 25,385.13 = 10,842.35 : x
  2. Step 2: Convert to fraction form
    18,401.18/25,385.13 = 10,842.35/x
  3. Step 3: Cross multiply
    18,401.18x = 25,385.13 × 10,842.35
  4. Step 4: Simplify right side
    18,401.18x = 275,234,337.33
  5. Step 5: Solve for x
    x = 275,234,337.33/18,401.18
  6. Step 6: Final answer
    x = 14,957.43

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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.