Home / 18,849.15-28,265.22-7,154.10

Finding the Fourth Proportional to 18,849.15, 28,265.22 and 7,154.10

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Solution

The fourth proportional to 18,849.15, 28,265.22 and 7,154.10 is: 10,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.15 : 28,265.22 = 7,154.10 : x
  2. Step 2: Convert to fraction form
    18,849.15/28,265.22 = 7,154.10/x
  3. Step 3: Cross multiply
    18,849.15x = 28,265.22 × 7,154.10
  4. Step 4: Simplify right side
    18,849.15x = 202,212,210.40
  5. Step 5: Solve for x
    x = 202,212,210.40/18,849.15
  6. Step 6: Final answer
    x = 10,727.92

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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.