Home / 10,389.89-15,593.65-4,154.31

Finding the Fourth Proportional to 10,389.89, 15,593.65 and 4,154.31

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Solution

The fourth proportional to 10,389.89, 15,593.65 and 4,154.31 is: 6,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.89 : 15,593.65 = 4,154.31 : x
  2. Step 2: Convert to fraction form
    10,389.89/15,593.65 = 4,154.31/x
  3. Step 3: Cross multiply
    10,389.89x = 15,593.65 × 4,154.31
  4. Step 4: Simplify right side
    10,389.89x = 64,780,845.75
  5. Step 5: Solve for x
    x = 64,780,845.75/10,389.89
  6. Step 6: Final answer
    x = 6,234.99

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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.