Home / 18,254.28-27,384.11-5,771.47

Finding the Fourth Proportional to 18,254.28, 27,384.11 and 5,771.47

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Solution

The fourth proportional to 18,254.28, 27,384.11 and 5,771.47 is: 8,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.28 : 27,384.11 = 5,771.47 : x
  2. Step 2: Convert to fraction form
    18,254.28/27,384.11 = 5,771.47/x
  3. Step 3: Cross multiply
    18,254.28x = 27,384.11 × 5,771.47
  4. Step 4: Simplify right side
    18,254.28x = 158,046,569.34
  5. Step 5: Solve for x
    x = 158,046,569.34/18,254.28
  6. Step 6: Final answer
    x = 8,658.06

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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.