Home / 18,371.16-25,341.66-11,645.40

Finding the Fourth Proportional to 18,371.16, 25,341.66 and 11,645.40

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Solution

The fourth proportional to 18,371.16, 25,341.66 and 11,645.40 is: 16,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.16 : 25,341.66 = 11,645.40 : x
  2. Step 2: Convert to fraction form
    18,371.16/25,341.66 = 11,645.40/x
  3. Step 3: Cross multiply
    18,371.16x = 25,341.66 × 11,645.40
  4. Step 4: Simplify right side
    18,371.16x = 295,113,767.36
  5. Step 5: Solve for x
    x = 295,113,767.36/18,371.16
  6. Step 6: Final answer
    x = 16,063.97

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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.