Home / 16,856.33-23,251.70-10,891.50

Finding the Fourth Proportional to 16,856.33, 23,251.70 and 10,891.50

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Solution

The fourth proportional to 16,856.33, 23,251.70 and 10,891.50 is: 15,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.33 : 23,251.70 = 10,891.50 : x
  2. Step 2: Convert to fraction form
    16,856.33/23,251.70 = 10,891.50/x
  3. Step 3: Cross multiply
    16,856.33x = 23,251.70 × 10,891.50
  4. Step 4: Simplify right side
    16,856.33x = 253,245,836.09
  5. Step 5: Solve for x
    x = 253,245,836.09/16,856.33
  6. Step 6: Final answer
    x = 15,023.79

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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.