Home / 18,270.81-27,404.07-5,124.24

Finding the Fourth Proportional to 18,270.81, 27,404.07 and 5,124.24

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Solution

The fourth proportional to 18,270.81, 27,404.07 and 5,124.24 is: 7,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.81 : 27,404.07 = 5,124.24 : x
  2. Step 2: Convert to fraction form
    18,270.81/27,404.07 = 5,124.24/x
  3. Step 3: Cross multiply
    18,270.81x = 27,404.07 × 5,124.24
  4. Step 4: Simplify right side
    18,270.81x = 140,425,031.66
  5. Step 5: Solve for x
    x = 140,425,031.66/18,270.81
  6. Step 6: Final answer
    x = 7,685.76

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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.