Home / 13,223.64-19,834.92-5,432.25

Finding the Fourth Proportional to 13,223.64, 19,834.92 and 5,432.25

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Solution

The fourth proportional to 13,223.64, 19,834.92 and 5,432.25 is: 8,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.64 : 19,834.92 = 5,432.25 : x
  2. Step 2: Convert to fraction form
    13,223.64/19,834.92 = 5,432.25/x
  3. Step 3: Cross multiply
    13,223.64x = 19,834.92 × 5,432.25
  4. Step 4: Simplify right side
    13,223.64x = 107,748,244.17
  5. Step 5: Solve for x
    x = 107,748,244.17/13,223.64
  6. Step 6: Final answer
    x = 8,148.15

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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.