Home / 12,099.25-18,148.92-4,308.04

Finding the Fourth Proportional to 12,099.25, 18,148.92 and 4,308.04

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Solution

The fourth proportional to 12,099.25, 18,148.92 and 4,308.04 is: 6,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.25 : 18,148.92 = 4,308.04 : x
  2. Step 2: Convert to fraction form
    12,099.25/18,148.92 = 4,308.04/x
  3. Step 3: Cross multiply
    12,099.25x = 18,148.92 × 4,308.04
  4. Step 4: Simplify right side
    12,099.25x = 78,186,273.32
  5. Step 5: Solve for x
    x = 78,186,273.32/12,099.25
  6. Step 6: Final answer
    x = 6,462.08

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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.