Home / 20,092.65-30,140.96-7,445.76

Finding the Fourth Proportional to 20,092.65, 30,140.96 and 7,445.76

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Solution

The fourth proportional to 20,092.65, 30,140.96 and 7,445.76 is: 11,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.65 : 30,140.96 = 7,445.76 : x
  2. Step 2: Convert to fraction form
    20,092.65/30,140.96 = 7,445.76/x
  3. Step 3: Cross multiply
    20,092.65x = 30,140.96 × 7,445.76
  4. Step 4: Simplify right side
    20,092.65x = 224,422,317.10
  5. Step 5: Solve for x
    x = 224,422,317.10/20,092.65
  6. Step 6: Final answer
    x = 11,169.37

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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.