Home / 19,948.24-29,919.12-9,418.24

Finding the Fourth Proportional to 19,948.24, 29,919.12 and 9,418.24

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Solution

The fourth proportional to 19,948.24, 29,919.12 and 9,418.24 is: 14,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.24 : 29,919.12 = 9,418.24 : x
  2. Step 2: Convert to fraction form
    19,948.24/29,919.12 = 9,418.24/x
  3. Step 3: Cross multiply
    19,948.24x = 29,919.12 × 9,418.24
  4. Step 4: Simplify right side
    19,948.24x = 281,785,454.83
  5. Step 5: Solve for x
    x = 281,785,454.83/19,948.24
  6. Step 6: Final answer
    x = 14,125.83

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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.