Home / 15,647.62-23,476.68-5,118.13

Finding the Fourth Proportional to 15,647.62, 23,476.68 and 5,118.13

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Solution

The fourth proportional to 15,647.62, 23,476.68 and 5,118.13 is: 7,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.62 : 23,476.68 = 5,118.13 : x
  2. Step 2: Convert to fraction form
    15,647.62/23,476.68 = 5,118.13/x
  3. Step 3: Cross multiply
    15,647.62x = 23,476.68 × 5,118.13
  4. Step 4: Simplify right side
    15,647.62x = 120,156,700.21
  5. Step 5: Solve for x
    x = 120,156,700.21/15,647.62
  6. Step 6: Final answer
    x = 7,678.91

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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.