Home / 19,960.20-29,934.62-5,921.28

Finding the Fourth Proportional to 19,960.20, 29,934.62 and 5,921.28

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Solution

The fourth proportional to 19,960.20, 29,934.62 and 5,921.28 is: 8,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.20 : 29,934.62 = 5,921.28 : x
  2. Step 2: Convert to fraction form
    19,960.20/29,934.62 = 5,921.28/x
  3. Step 3: Cross multiply
    19,960.20x = 29,934.62 × 5,921.28
  4. Step 4: Simplify right side
    19,960.20x = 177,251,266.71
  5. Step 5: Solve for x
    x = 177,251,266.71/19,960.20
  6. Step 6: Final answer
    x = 8,880.24

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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.