Home / 15,939.76-23,909.43-7,168.48

Finding the Fourth Proportional to 15,939.76, 23,909.43 and 7,168.48

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Solution

The fourth proportional to 15,939.76, 23,909.43 and 7,168.48 is: 10,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.76 : 23,909.43 = 7,168.48 : x
  2. Step 2: Convert to fraction form
    15,939.76/23,909.43 = 7,168.48/x
  3. Step 3: Cross multiply
    15,939.76x = 23,909.43 × 7,168.48
  4. Step 4: Simplify right side
    15,939.76x = 171,394,270.77
  5. Step 5: Solve for x
    x = 171,394,270.77/15,939.76
  6. Step 6: Final answer
    x = 10,752.63

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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.