Home / 12,295.32-18,442.89-4,397.55

Finding the Fourth Proportional to 12,295.32, 18,442.89 and 4,397.55

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Solution

The fourth proportional to 12,295.32, 18,442.89 and 4,397.55 is: 6,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.32 : 18,442.89 = 4,397.55 : x
  2. Step 2: Convert to fraction form
    12,295.32/18,442.89 = 4,397.55/x
  3. Step 3: Cross multiply
    12,295.32x = 18,442.89 × 4,397.55
  4. Step 4: Simplify right side
    12,295.32x = 81,103,530.92
  5. Step 5: Solve for x
    x = 81,103,530.92/12,295.32
  6. Step 6: Final answer
    x = 6,596.29

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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.