Home / 18,147.68-27,221.67-5,000.77

Finding the Fourth Proportional to 18,147.68, 27,221.67 and 5,000.77

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Solution

The fourth proportional to 18,147.68, 27,221.67 and 5,000.77 is: 7,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.68 : 27,221.67 = 5,000.77 : x
  2. Step 2: Convert to fraction form
    18,147.68/27,221.67 = 5,000.77/x
  3. Step 3: Cross multiply
    18,147.68x = 27,221.67 × 5,000.77
  4. Step 4: Simplify right side
    18,147.68x = 136,129,344.71
  5. Step 5: Solve for x
    x = 136,129,344.71/18,147.68
  6. Step 6: Final answer
    x = 7,501.20

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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.