Home / 12,365.32-18,545.10-4,043.20

Finding the Fourth Proportional to 12,365.32, 18,545.10 and 4,043.20

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Solution

The fourth proportional to 12,365.32, 18,545.10 and 4,043.20 is: 6,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.32 : 18,545.10 = 4,043.20 : x
  2. Step 2: Convert to fraction form
    12,365.32/18,545.10 = 4,043.20/x
  3. Step 3: Cross multiply
    12,365.32x = 18,545.10 × 4,043.20
  4. Step 4: Simplify right side
    12,365.32x = 74,981,548.32
  5. Step 5: Solve for x
    x = 74,981,548.32/12,365.32
  6. Step 6: Final answer
    x = 6,063.86

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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.