Home / 10,254.79-15,384.48-5,579.02

Finding the Fourth Proportional to 10,254.79, 15,384.48 and 5,579.02

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Solution

The fourth proportional to 10,254.79, 15,384.48 and 5,579.02 is: 8,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.79 : 15,384.48 = 5,579.02 : x
  2. Step 2: Convert to fraction form
    10,254.79/15,384.48 = 5,579.02/x
  3. Step 3: Cross multiply
    10,254.79x = 15,384.48 × 5,579.02
  4. Step 4: Simplify right side
    10,254.79x = 85,830,321.61
  5. Step 5: Solve for x
    x = 85,830,321.61/10,254.79
  6. Step 6: Final answer
    x = 8,369.78

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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.