Home / 18,667.04-28,006.50-5,519.48

Finding the Fourth Proportional to 18,667.04, 28,006.50 and 5,519.48

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Solution

The fourth proportional to 18,667.04, 28,006.50 and 5,519.48 is: 8,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.04 : 28,006.50 = 5,519.48 : x
  2. Step 2: Convert to fraction form
    18,667.04/28,006.50 = 5,519.48/x
  3. Step 3: Cross multiply
    18,667.04x = 28,006.50 × 5,519.48
  4. Step 4: Simplify right side
    18,667.04x = 154,581,316.62
  5. Step 5: Solve for x
    x = 154,581,316.62/18,667.04
  6. Step 6: Final answer
    x = 8,280.98

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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.