Home / 15,063.28-22,435.68-14,272.72

Finding the Fourth Proportional to 15,063.28, 22,435.68 and 14,272.72

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Solution

The fourth proportional to 15,063.28, 22,435.68 and 14,272.72 is: 21,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.28 : 22,435.68 = 14,272.72 : x
  2. Step 2: Convert to fraction form
    15,063.28/22,435.68 = 14,272.72/x
  3. Step 3: Cross multiply
    15,063.28x = 22,435.68 × 14,272.72
  4. Step 4: Simplify right side
    15,063.28x = 320,218,178.65
  5. Step 5: Solve for x
    x = 320,218,178.65/15,063.28
  6. Step 6: Final answer
    x = 21,258.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.