Home / 20,515.62-30,773.56-7,368.10

Finding the Fourth Proportional to 20,515.62, 30,773.56 and 7,368.10

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Solution

The fourth proportional to 20,515.62, 30,773.56 and 7,368.10 is: 11,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515.62 : 30,773.56 = 7,368.10 : x
  2. Step 2: Convert to fraction form
    20,515.62/30,773.56 = 7,368.10/x
  3. Step 3: Cross multiply
    20,515.62x = 30,773.56 × 7,368.10
  4. Step 4: Simplify right side
    20,515.62x = 226,742,649.02
  5. Step 5: Solve for x
    x = 226,742,649.02/20,515.62
  6. Step 6: Final answer
    x = 11,052.20

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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.