Home / 15,281.68-22,921.46-5,284.10

Finding the Fourth Proportional to 15,281.68, 22,921.46 and 5,284.10

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Solution

The fourth proportional to 15,281.68, 22,921.46 and 5,284.10 is: 7,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.68 : 22,921.46 = 5,284.10 : x
  2. Step 2: Convert to fraction form
    15,281.68/22,921.46 = 5,284.10/x
  3. Step 3: Cross multiply
    15,281.68x = 22,921.46 × 5,284.10
  4. Step 4: Simplify right side
    15,281.68x = 121,119,229.48
  5. Step 5: Solve for x
    x = 121,119,229.48/15,281.68
  6. Step 6: Final answer
    x = 7,925.78

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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.