Home / 18,667.13-28,000.69-6,355.13

Finding the Fourth Proportional to 18,667.13, 28,000.69 and 6,355.13

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Solution

The fourth proportional to 18,667.13, 28,000.69 and 6,355.13 is: 9,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.13 : 28,000.69 = 6,355.13 : x
  2. Step 2: Convert to fraction form
    18,667.13/28,000.69 = 6,355.13/x
  3. Step 3: Cross multiply
    18,667.13x = 28,000.69 × 6,355.13
  4. Step 4: Simplify right side
    18,667.13x = 177,947,869.15
  5. Step 5: Solve for x
    x = 177,947,869.15/18,667.13
  6. Step 6: Final answer
    x = 9,532.69

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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.