Home / 10,187.52-15,282.24-3,614.40

Finding the Fourth Proportional to 10,187.52, 15,282.24 and 3,614.40

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Solution

The fourth proportional to 10,187.52, 15,282.24 and 3,614.40 is: 5,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.52 : 15,282.24 = 3,614.40 : x
  2. Step 2: Convert to fraction form
    10,187.52/15,282.24 = 3,614.40/x
  3. Step 3: Cross multiply
    10,187.52x = 15,282.24 × 3,614.40
  4. Step 4: Simplify right side
    10,187.52x = 55,236,128.26
  5. Step 5: Solve for x
    x = 55,236,128.26/10,187.52
  6. Step 6: Final answer
    x = 5,421.94

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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.