Home / 16,560.54-22,856.79-9,491.70

Finding the Fourth Proportional to 16,560.54, 22,856.79 and 9,491.70

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Solution

The fourth proportional to 16,560.54, 22,856.79 and 9,491.70 is: 13,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.54 : 22,856.79 = 9,491.70 : x
  2. Step 2: Convert to fraction form
    16,560.54/22,856.79 = 9,491.70/x
  3. Step 3: Cross multiply
    16,560.54x = 22,856.79 × 9,491.70
  4. Step 4: Simplify right side
    16,560.54x = 216,949,793.64
  5. Step 5: Solve for x
    x = 216,949,793.64/16,560.54
  6. Step 6: Final answer
    x = 13,100.41

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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.