Home / 13,423.62-20,127.48-4,060.80

Finding the Fourth Proportional to 13,423.62, 20,127.48 and 4,060.80

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Solution

The fourth proportional to 13,423.62, 20,127.48 and 4,060.80 is: 6,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.62 : 20,127.48 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    13,423.62/20,127.48 = 4,060.80/x
  3. Step 3: Cross multiply
    13,423.62x = 20,127.48 × 4,060.80
  4. Step 4: Simplify right side
    13,423.62x = 81,733,670.78
  5. Step 5: Solve for x
    x = 81,733,670.78/13,423.62
  6. Step 6: Final answer
    x = 6,088.80

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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.