Home / 22,749.40-34,128.90-7,168.60

Finding the Fourth Proportional to 22,749.40, 34,128.90 and 7,168.60

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Solution

The fourth proportional to 22,749.40, 34,128.90 and 7,168.60 is: 10,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.40 : 34,128.90 = 7,168.60 : x
  2. Step 2: Convert to fraction form
    22,749.40/34,128.90 = 7,168.60/x
  3. Step 3: Cross multiply
    22,749.40x = 34,128.90 × 7,168.60
  4. Step 4: Simplify right side
    22,749.40x = 244,656,432.54
  5. Step 5: Solve for x
    x = 244,656,432.54/22,749.40
  6. Step 6: Final answer
    x = 10,754.41

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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.