Home / 18,715.86-28,074.45-6,065.33

Finding the Fourth Proportional to 18,715.86, 28,074.45 and 6,065.33

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Solution

The fourth proportional to 18,715.86, 28,074.45 and 6,065.33 is: 9,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.86 : 28,074.45 = 6,065.33 : x
  2. Step 2: Convert to fraction form
    18,715.86/28,074.45 = 6,065.33/x
  3. Step 3: Cross multiply
    18,715.86x = 28,074.45 × 6,065.33
  4. Step 4: Simplify right side
    18,715.86x = 170,280,663.45
  5. Step 5: Solve for x
    x = 170,280,663.45/18,715.86
  6. Step 6: Final answer
    x = 9,098.20

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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.