Home / 18,767-25,899.28-10,383.52

Finding the Fourth Proportional to 18,767, 25,899.28 and 10,383.52

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Solution

The fourth proportional to 18,767, 25,899.28 and 10,383.52 is: 14,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767 : 25,899.28 = 10,383.52 : x
  2. Step 2: Convert to fraction form
    18,767/25,899.28 = 10,383.52/x
  3. Step 3: Cross multiply
    18,767x = 25,899.28 × 10,383.52
  4. Step 4: Simplify right side
    18,767x = 268,925,691.87
  5. Step 5: Solve for x
    x = 268,925,691.87/18,767
  6. Step 6: Final answer
    x = 14,329.71

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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.