Home / 25,411.20-38,119.84-9,618.72

Finding the Fourth Proportional to 25,411.20, 38,119.84 and 9,618.72

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Solution

The fourth proportional to 25,411.20, 38,119.84 and 9,618.72 is: 14,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.20 : 38,119.84 = 9,618.72 : x
  2. Step 2: Convert to fraction form
    25,411.20/38,119.84 = 9,618.72/x
  3. Step 3: Cross multiply
    25,411.20x = 38,119.84 × 9,618.72
  4. Step 4: Simplify right side
    25,411.20x = 366,664,067.40
  5. Step 5: Solve for x
    x = 366,664,067.40/25,411.20
  6. Step 6: Final answer
    x = 14,429.23

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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.