Home / 17,110-23,631.24-11,511.28

Finding the Fourth Proportional to 17,110, 23,631.24 and 11,511.28

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Solution

The fourth proportional to 17,110, 23,631.24 and 11,511.28 is: 15,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110 : 23,631.24 = 11,511.28 : x
  2. Step 2: Convert to fraction form
    17,110/23,631.24 = 11,511.28/x
  3. Step 3: Cross multiply
    17,110x = 23,631.24 × 11,511.28
  4. Step 4: Simplify right side
    17,110x = 272,025,820.39
  5. Step 5: Solve for x
    x = 272,025,820.39/17,110
  6. Step 6: Final answer
    x = 15,898.65

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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.