Home / 20,094.68-30,132.54-7,440.26

Finding the Fourth Proportional to 20,094.68, 30,132.54 and 7,440.26

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Solution

The fourth proportional to 20,094.68, 30,132.54 and 7,440.26 is: 11,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.68 : 30,132.54 = 7,440.26 : x
  2. Step 2: Convert to fraction form
    20,094.68/30,132.54 = 7,440.26/x
  3. Step 3: Cross multiply
    20,094.68x = 30,132.54 × 7,440.26
  4. Step 4: Simplify right side
    20,094.68x = 224,193,781.40
  5. Step 5: Solve for x
    x = 224,193,781.40/20,094.68
  6. Step 6: Final answer
    x = 11,156.87

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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.