Home / 18,827.15-25,981.71-10,328.73

Finding the Fourth Proportional to 18,827.15, 25,981.71 and 10,328.73

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Solution

The fourth proportional to 18,827.15, 25,981.71 and 10,328.73 is: 14,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.15 : 25,981.71 = 10,328.73 : x
  2. Step 2: Convert to fraction form
    18,827.15/25,981.71 = 10,328.73/x
  3. Step 3: Cross multiply
    18,827.15x = 25,981.71 × 10,328.73
  4. Step 4: Simplify right side
    18,827.15x = 268,358,135.61
  5. Step 5: Solve for x
    x = 268,358,135.61/18,827.15
  6. Step 6: Final answer
    x = 14,253.78

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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.