Home / 15,909.07-23,874.27-7,144.60

Finding the Fourth Proportional to 15,909.07, 23,874.27 and 7,144.60

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Solution

The fourth proportional to 15,909.07, 23,874.27 and 7,144.60 is: 10,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.07 : 23,874.27 = 7,144.60 : x
  2. Step 2: Convert to fraction form
    15,909.07/23,874.27 = 7,144.60/x
  3. Step 3: Cross multiply
    15,909.07x = 23,874.27 × 7,144.60
  4. Step 4: Simplify right side
    15,909.07x = 170,572,109.44
  5. Step 5: Solve for x
    x = 170,572,109.44/15,909.07
  6. Step 6: Final answer
    x = 10,721.69

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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.