Home / 18,694.35-28,041.38-5,545.62

Finding the Fourth Proportional to 18,694.35, 28,041.38 and 5,545.62

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Solution

The fourth proportional to 18,694.35, 28,041.38 and 5,545.62 is: 8,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.35 : 28,041.38 = 5,545.62 : x
  2. Step 2: Convert to fraction form
    18,694.35/28,041.38 = 5,545.62/x
  3. Step 3: Cross multiply
    18,694.35x = 28,041.38 × 5,545.62
  4. Step 4: Simplify right side
    18,694.35x = 155,506,837.76
  5. Step 5: Solve for x
    x = 155,506,837.76/18,694.35
  6. Step 6: Final answer
    x = 8,318.39

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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.