Home / 16,636.56-22,948.38-9,917.70

Finding the Fourth Proportional to 16,636.56, 22,948.38 and 9,917.70

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Solution

The fourth proportional to 16,636.56, 22,948.38 and 9,917.70 is: 13,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.56 : 22,948.38 = 9,917.70 : x
  2. Step 2: Convert to fraction form
    16,636.56/22,948.38 = 9,917.70/x
  3. Step 3: Cross multiply
    16,636.56x = 22,948.38 × 9,917.70
  4. Step 4: Simplify right side
    16,636.56x = 227,595,148.33
  5. Step 5: Solve for x
    x = 227,595,148.33/16,636.56
  6. Step 6: Final answer
    x = 13,680.42

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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.