Home / 18,713.06-28,070.40-6,234.20

Finding the Fourth Proportional to 18,713.06, 28,070.40 and 6,234.20

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Solution

The fourth proportional to 18,713.06, 28,070.40 and 6,234.20 is: 9,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.06 : 28,070.40 = 6,234.20 : x
  2. Step 2: Convert to fraction form
    18,713.06/28,070.40 = 6,234.20/x
  3. Step 3: Cross multiply
    18,713.06x = 28,070.40 × 6,234.20
  4. Step 4: Simplify right side
    18,713.06x = 174,996,487.68
  5. Step 5: Solve for x
    x = 174,996,487.68/18,713.06
  6. Step 6: Final answer
    x = 9,351.57

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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.