Home / 20,141.74-30,210.28-5,351.85

Finding the Fourth Proportional to 20,141.74, 30,210.28 and 5,351.85

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Solution

The fourth proportional to 20,141.74, 30,210.28 and 5,351.85 is: 8,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.74 : 30,210.28 = 5,351.85 : x
  2. Step 2: Convert to fraction form
    20,141.74/30,210.28 = 5,351.85/x
  3. Step 3: Cross multiply
    20,141.74x = 30,210.28 × 5,351.85
  4. Step 4: Simplify right side
    20,141.74x = 161,680,887.02
  5. Step 5: Solve for x
    x = 161,680,887.02/20,141.74
  6. Step 6: Final answer
    x = 8,027.16

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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.