Home / 20,281.14-30,411.18-9,182.52

Finding the Fourth Proportional to 20,281.14, 30,411.18 and 9,182.52

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Solution

The fourth proportional to 20,281.14, 30,411.18 and 9,182.52 is: 13,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.14 : 30,411.18 = 9,182.52 : x
  2. Step 2: Convert to fraction form
    20,281.14/30,411.18 = 9,182.52/x
  3. Step 3: Cross multiply
    20,281.14x = 30,411.18 × 9,182.52
  4. Step 4: Simplify right side
    20,281.14x = 279,251,268.57
  5. Step 5: Solve for x
    x = 279,251,268.57/20,281.14
  6. Step 6: Final answer
    x = 13,769.01

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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.