Home / 23,990.18-33,106.50-13,380.49

Finding the Fourth Proportional to 23,990.18, 33,106.50 and 13,380.49

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Solution

The fourth proportional to 23,990.18, 33,106.50 and 13,380.49 is: 18,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.18 : 33,106.50 = 13,380.49 : x
  2. Step 2: Convert to fraction form
    23,990.18/33,106.50 = 13,380.49/x
  3. Step 3: Cross multiply
    23,990.18x = 33,106.50 × 13,380.49
  4. Step 4: Simplify right side
    23,990.18x = 442,981,192.19
  5. Step 5: Solve for x
    x = 442,981,192.19/23,990.18
  6. Step 6: Final answer
    x = 18,465.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.