Home / 12,824.38-17,698.36-7,159.18

Finding the Fourth Proportional to 12,824.38, 17,698.36 and 7,159.18

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Solution

The fourth proportional to 12,824.38, 17,698.36 and 7,159.18 is: 9,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.38 : 17,698.36 = 7,159.18 : x
  2. Step 2: Convert to fraction form
    12,824.38/17,698.36 = 7,159.18/x
  3. Step 3: Cross multiply
    12,824.38x = 17,698.36 × 7,159.18
  4. Step 4: Simplify right side
    12,824.38x = 126,705,732.70
  5. Step 5: Solve for x
    x = 126,705,732.70/12,824.38
  6. Step 6: Final answer
    x = 9,880.06

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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.