Home / 18,440.45-25,446.50-10,886.39

Finding the Fourth Proportional to 18,440.45, 25,446.50 and 10,886.39

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Solution

The fourth proportional to 18,440.45, 25,446.50 and 10,886.39 is: 15,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.45 : 25,446.50 = 10,886.39 : x
  2. Step 2: Convert to fraction form
    18,440.45/25,446.50 = 10,886.39/x
  3. Step 3: Cross multiply
    18,440.45x = 25,446.50 × 10,886.39
  4. Step 4: Simplify right side
    18,440.45x = 277,020,341.47
  5. Step 5: Solve for x
    x = 277,020,341.47/18,440.45
  6. Step 6: Final answer
    x = 15,022.43

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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.