Home / 13,532.34-20,293.28-5,415.42

Finding the Fourth Proportional to 13,532.34, 20,293.28 and 5,415.42

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Solution

The fourth proportional to 13,532.34, 20,293.28 and 5,415.42 is: 8,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.34 : 20,293.28 = 5,415.42 : x
  2. Step 2: Convert to fraction form
    13,532.34/20,293.28 = 5,415.42/x
  3. Step 3: Cross multiply
    13,532.34x = 20,293.28 × 5,415.42
  4. Step 4: Simplify right side
    13,532.34x = 109,896,634.38
  5. Step 5: Solve for x
    x = 109,896,634.38/13,532.34
  6. Step 6: Final answer
    x = 8,121.04

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1.5x scale

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.