Home / 19,933.68-29,901.20-10,561.02

Finding the Fourth Proportional to 19,933.68, 29,901.20 and 10,561.02

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Solution

The fourth proportional to 19,933.68, 29,901.20 and 10,561.02 is: 15,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.68 : 29,901.20 = 10,561.02 : x
  2. Step 2: Convert to fraction form
    19,933.68/29,901.20 = 10,561.02/x
  3. Step 3: Cross multiply
    19,933.68x = 29,901.20 × 10,561.02
  4. Step 4: Simplify right side
    19,933.68x = 315,787,065.70
  5. Step 5: Solve for x
    x = 315,787,065.70/19,933.68
  6. Step 6: Final answer
    x = 15,841.89

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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.