Home / 20,025.60-30,010.46-9,491.55

Finding the Fourth Proportional to 20,025.60, 30,010.46 and 9,491.55

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Solution

The fourth proportional to 20,025.60, 30,010.46 and 9,491.55 is: 14,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.60 : 30,010.46 = 9,491.55 : x
  2. Step 2: Convert to fraction form
    20,025.60/30,010.46 = 9,491.55/x
  3. Step 3: Cross multiply
    20,025.60x = 30,010.46 × 9,491.55
  4. Step 4: Simplify right side
    20,025.60x = 284,845,734.16
  5. Step 5: Solve for x
    x = 284,845,734.16/20,025.60
  6. Step 6: Final answer
    x = 14,224.08

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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.