Home / 18,850.32-26,016.12-10,897.20

Finding the Fourth Proportional to 18,850.32, 26,016.12 and 10,897.20

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Solution

The fourth proportional to 18,850.32, 26,016.12 and 10,897.20 is: 15,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.32 : 26,016.12 = 10,897.20 : x
  2. Step 2: Convert to fraction form
    18,850.32/26,016.12 = 10,897.20/x
  3. Step 3: Cross multiply
    18,850.32x = 26,016.12 × 10,897.20
  4. Step 4: Simplify right side
    18,850.32x = 283,502,862.86
  5. Step 5: Solve for x
    x = 283,502,862.86/18,850.32
  6. Step 6: Final answer
    x = 15,039.68

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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.