Home / 20,812.08-31,213.44-6,017.70

Finding the Fourth Proportional to 20,812.08, 31,213.44 and 6,017.70

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Solution

The fourth proportional to 20,812.08, 31,213.44 and 6,017.70 is: 9,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,812.08 : 31,213.44 = 6,017.70 : x
  2. Step 2: Convert to fraction form
    20,812.08/31,213.44 = 6,017.70/x
  3. Step 3: Cross multiply
    20,812.08x = 31,213.44 × 6,017.70
  4. Step 4: Simplify right side
    20,812.08x = 187,833,117.89
  5. Step 5: Solve for x
    x = 187,833,117.89/20,812.08
  6. Step 6: Final answer
    x = 9,025.20

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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.