Home / 13,491.76-20,232.78-5,701.18

Finding the Fourth Proportional to 13,491.76, 20,232.78 and 5,701.18

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Solution

The fourth proportional to 13,491.76, 20,232.78 and 5,701.18 is: 8,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.76 : 20,232.78 = 5,701.18 : x
  2. Step 2: Convert to fraction form
    13,491.76/20,232.78 = 5,701.18/x
  3. Step 3: Cross multiply
    13,491.76x = 20,232.78 × 5,701.18
  4. Step 4: Simplify right side
    13,491.76x = 115,350,720.68
  5. Step 5: Solve for x
    x = 115,350,720.68/13,491.76
  6. Step 6: Final answer
    x = 8,549.72

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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.