Home / 18,996.27-28,486.11-7,301.25

Finding the Fourth Proportional to 18,996.27, 28,486.11 and 7,301.25

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Solution

The fourth proportional to 18,996.27, 28,486.11 and 7,301.25 is: 10,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.27 : 28,486.11 = 7,301.25 : x
  2. Step 2: Convert to fraction form
    18,996.27/28,486.11 = 7,301.25/x
  3. Step 3: Cross multiply
    18,996.27x = 28,486.11 × 7,301.25
  4. Step 4: Simplify right side
    18,996.27x = 207,984,210.64
  5. Step 5: Solve for x
    x = 207,984,210.64/18,996.27
  6. Step 6: Final answer
    x = 10,948.69

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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.