Home / 10,134.23-15,191.02-5,742.41

Finding the Fourth Proportional to 10,134.23, 15,191.02 and 5,742.41

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Solution

The fourth proportional to 10,134.23, 15,191.02 and 5,742.41 is: 8,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.23 : 15,191.02 = 5,742.41 : x
  2. Step 2: Convert to fraction form
    10,134.23/15,191.02 = 5,742.41/x
  3. Step 3: Cross multiply
    10,134.23x = 15,191.02 × 5,742.41
  4. Step 4: Simplify right side
    10,134.23x = 87,233,036.45
  5. Step 5: Solve for x
    x = 87,233,036.45/10,134.23
  6. Step 6: Final answer
    x = 8,607.76

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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.