Home / 16,388.80-22,616.46-9,316.59

Finding the Fourth Proportional to 16,388.80, 22,616.46 and 9,316.59

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Solution

The fourth proportional to 16,388.80, 22,616.46 and 9,316.59 is: 12,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.80 : 22,616.46 = 9,316.59 : x
  2. Step 2: Convert to fraction form
    16,388.80/22,616.46 = 9,316.59/x
  3. Step 3: Cross multiply
    16,388.80x = 22,616.46 × 9,316.59
  4. Step 4: Simplify right side
    16,388.80x = 210,708,285.07
  5. Step 5: Solve for x
    x = 210,708,285.07/16,388.80
  6. Step 6: Final answer
    x = 12,856.85

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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.