Home / 15,470.80-21,348.84-9,183.76

Finding the Fourth Proportional to 15,470.80, 21,348.84 and 9,183.76

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Solution

The fourth proportional to 15,470.80, 21,348.84 and 9,183.76 is: 12,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.80 : 21,348.84 = 9,183.76 : x
  2. Step 2: Convert to fraction form
    15,470.80/21,348.84 = 9,183.76/x
  3. Step 3: Cross multiply
    15,470.80x = 21,348.84 × 9,183.76
  4. Step 4: Simplify right side
    15,470.80x = 196,062,622.84
  5. Step 5: Solve for x
    x = 196,062,622.84/15,470.80
  6. Step 6: Final answer
    x = 12,673.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.