Home / 18,148.12-27,223.20-5,000.20

Finding the Fourth Proportional to 18,148.12, 27,223.20 and 5,000.20

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Solution

The fourth proportional to 18,148.12, 27,223.20 and 5,000.20 is: 7,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.12 : 27,223.20 = 5,000.20 : x
  2. Step 2: Convert to fraction form
    18,148.12/27,223.20 = 5,000.20/x
  3. Step 3: Cross multiply
    18,148.12x = 27,223.20 × 5,000.20
  4. Step 4: Simplify right side
    18,148.12x = 136,121,444.64
  5. Step 5: Solve for x
    x = 136,121,444.64/18,148.12
  6. Step 6: Final answer
    x = 7,500.58

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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.