Home / 13,423.60-20,127.52-4,060.80

Finding the Fourth Proportional to 13,423.60, 20,127.52 and 4,060.80

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Solution

The fourth proportional to 13,423.60, 20,127.52 and 4,060.80 is: 6,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.60 : 20,127.52 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    13,423.60/20,127.52 = 4,060.80/x
  3. Step 3: Cross multiply
    13,423.60x = 20,127.52 × 4,060.80
  4. Step 4: Simplify right side
    13,423.60x = 81,733,833.22
  5. Step 5: Solve for x
    x = 81,733,833.22/13,423.60
  6. Step 6: Final answer
    x = 6,088.82

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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.