Home / 18,321.48-27,482.28-5,173.92

Finding the Fourth Proportional to 18,321.48, 27,482.28 and 5,173.92

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Solution

The fourth proportional to 18,321.48, 27,482.28 and 5,173.92 is: 7,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.48 : 27,482.28 = 5,173.92 : x
  2. Step 2: Convert to fraction form
    18,321.48/27,482.28 = 5,173.92/x
  3. Step 3: Cross multiply
    18,321.48x = 27,482.28 × 5,173.92
  4. Step 4: Simplify right side
    18,321.48x = 142,191,118.14
  5. Step 5: Solve for x
    x = 142,191,118.14/18,321.48
  6. Step 6: Final answer
    x = 7,760.90

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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.