Home / 10,242.60-15,363.90-3,669.45

Finding the Fourth Proportional to 10,242.60, 15,363.90 and 3,669.45

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Solution

The fourth proportional to 10,242.60, 15,363.90 and 3,669.45 is: 5,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.60 : 15,363.90 = 3,669.45 : x
  2. Step 2: Convert to fraction form
    10,242.60/15,363.90 = 3,669.45/x
  3. Step 3: Cross multiply
    10,242.60x = 15,363.90 × 3,669.45
  4. Step 4: Simplify right side
    10,242.60x = 56,377,062.86
  5. Step 5: Solve for x
    x = 56,377,062.86/10,242.60
  6. Step 6: Final answer
    x = 5,504.18

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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.