Home / 13,432.53-20,148.90-4,073.28

Finding the Fourth Proportional to 13,432.53, 20,148.90 and 4,073.28

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Solution

The fourth proportional to 13,432.53, 20,148.90 and 4,073.28 is: 6,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.53 : 20,148.90 = 4,073.28 : x
  2. Step 2: Convert to fraction form
    13,432.53/20,148.90 = 4,073.28/x
  3. Step 3: Cross multiply
    13,432.53x = 20,148.90 × 4,073.28
  4. Step 4: Simplify right side
    13,432.53x = 82,072,111.39
  5. Step 5: Solve for x
    x = 82,072,111.39/13,432.53
  6. Step 6: Final answer
    x = 6,109.95

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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.