Home / 18,995.05-26,214.15-11,443.75

Finding the Fourth Proportional to 18,995.05, 26,214.15 and 11,443.75

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Solution

The fourth proportional to 18,995.05, 26,214.15 and 11,443.75 is: 15,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.05 : 26,214.15 = 11,443.75 : x
  2. Step 2: Convert to fraction form
    18,995.05/26,214.15 = 11,443.75/x
  3. Step 3: Cross multiply
    18,995.05x = 26,214.15 × 11,443.75
  4. Step 4: Simplify right side
    18,995.05x = 299,988,179.06
  5. Step 5: Solve for x
    x = 299,988,179.06/18,995.05
  6. Step 6: Final answer
    x = 15,792.97

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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.