Home / 23,330.80-34,987.10-10,174.20

Finding the Fourth Proportional to 23,330.80, 34,987.10 and 10,174.20

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Solution

The fourth proportional to 23,330.80, 34,987.10 and 10,174.20 is: 15,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.80 : 34,987.10 = 10,174.20 : x
  2. Step 2: Convert to fraction form
    23,330.80/34,987.10 = 10,174.20/x
  3. Step 3: Cross multiply
    23,330.80x = 34,987.10 × 10,174.20
  4. Step 4: Simplify right side
    23,330.80x = 355,965,752.82
  5. Step 5: Solve for x
    x = 355,965,752.82/23,330.80
  6. Step 6: Final answer
    x = 15,257.33

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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.