Home / 20,158.95-30,242.67-7,010.83

Finding the Fourth Proportional to 20,158.95, 30,242.67 and 7,010.83

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Solution

The fourth proportional to 20,158.95, 30,242.67 and 7,010.83 is: 10,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.95 : 30,242.67 = 7,010.83 : x
  2. Step 2: Convert to fraction form
    20,158.95/30,242.67 = 7,010.83/x
  3. Step 3: Cross multiply
    20,158.95x = 30,242.67 × 7,010.83
  4. Step 4: Simplify right side
    20,158.95x = 212,026,218.12
  5. Step 5: Solve for x
    x = 212,026,218.12/20,158.95
  6. Step 6: Final answer
    x = 10,517.72

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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.