Home / 13,373.10-20,060.46-8,143.74

Finding the Fourth Proportional to 13,373.10, 20,060.46 and 8,143.74

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Solution

The fourth proportional to 13,373.10, 20,060.46 and 8,143.74 is: 12,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.10 : 20,060.46 = 8,143.74 : x
  2. Step 2: Convert to fraction form
    13,373.10/20,060.46 = 8,143.74/x
  3. Step 3: Cross multiply
    13,373.10x = 20,060.46 × 8,143.74
  4. Step 4: Simplify right side
    13,373.10x = 163,367,170.52
  5. Step 5: Solve for x
    x = 163,367,170.52/13,373.10
  6. Step 6: Final answer
    x = 12,216.10

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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.