Home / 10,168.08-15,257.92-5,488.08

Finding the Fourth Proportional to 10,168.08, 15,257.92 and 5,488.08

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Solution

The fourth proportional to 10,168.08, 15,257.92 and 5,488.08 is: 8,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.08 : 15,257.92 = 5,488.08 : x
  2. Step 2: Convert to fraction form
    10,168.08/15,257.92 = 5,488.08/x
  3. Step 3: Cross multiply
    10,168.08x = 15,257.92 × 5,488.08
  4. Step 4: Simplify right side
    10,168.08x = 83,736,685.59
  5. Step 5: Solve for x
    x = 83,736,685.59/10,168.08
  6. Step 6: Final answer
    x = 8,235.25

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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.