Home / 15,517.28-23,271.76-6,750.20

Finding the Fourth Proportional to 15,517.28, 23,271.76 and 6,750.20

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Solution

The fourth proportional to 15,517.28, 23,271.76 and 6,750.20 is: 10,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.28 : 23,271.76 = 6,750.20 : x
  2. Step 2: Convert to fraction form
    15,517.28/23,271.76 = 6,750.20/x
  3. Step 3: Cross multiply
    15,517.28x = 23,271.76 × 6,750.20
  4. Step 4: Simplify right side
    15,517.28x = 157,089,034.35
  5. Step 5: Solve for x
    x = 157,089,034.35/15,517.28
  6. Step 6: Final answer
    x = 10,123.49

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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.