Home / 10,548.31-15,824.87-5,615.35

Finding the Fourth Proportional to 10,548.31, 15,824.87 and 5,615.35

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Solution

The fourth proportional to 10,548.31, 15,824.87 and 5,615.35 is: 8,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.31 : 15,824.87 = 5,615.35 : x
  2. Step 2: Convert to fraction form
    10,548.31/15,824.87 = 5,615.35/x
  3. Step 3: Cross multiply
    10,548.31x = 15,824.87 × 5,615.35
  4. Step 4: Simplify right side
    10,548.31x = 88,862,155.68
  5. Step 5: Solve for x
    x = 88,862,155.68/10,548.31
  6. Step 6: Final answer
    x = 8,424.30

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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.