Home / 15,614.16-23,423.40-6,378

Finding the Fourth Proportional to 15,614.16, 23,423.40 and 6,378

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Solution

The fourth proportional to 15,614.16, 23,423.40 and 6,378 is: 9,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.16 : 23,423.40 = 6,378 : x
  2. Step 2: Convert to fraction form
    15,614.16/23,423.40 = 6,378/x
  3. Step 3: Cross multiply
    15,614.16x = 23,423.40 × 6,378
  4. Step 4: Simplify right side
    15,614.16x = 149,394,445.20
  5. Step 5: Solve for x
    x = 149,394,445.20/15,614.16
  6. Step 6: Final answer
    x = 9,567.88

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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.