Home / 15,678.03-23,517.59-7,882.59

Finding the Fourth Proportional to 15,678.03, 23,517.59 and 7,882.59

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Solution

The fourth proportional to 15,678.03, 23,517.59 and 7,882.59 is: 11,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.03 : 23,517.59 = 7,882.59 : x
  2. Step 2: Convert to fraction form
    15,678.03/23,517.59 = 7,882.59/x
  3. Step 3: Cross multiply
    15,678.03x = 23,517.59 × 7,882.59
  4. Step 4: Simplify right side
    15,678.03x = 185,379,480.35
  5. Step 5: Solve for x
    x = 185,379,480.35/15,678.03
  6. Step 6: Final answer
    x = 11,824.16

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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.