Home / 16,930.60-23,365.10-9,377.75

Finding the Fourth Proportional to 16,930.60, 23,365.10 and 9,377.75

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Solution

The fourth proportional to 16,930.60, 23,365.10 and 9,377.75 is: 12,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.60 : 23,365.10 = 9,377.75 : x
  2. Step 2: Convert to fraction form
    16,930.60/23,365.10 = 9,377.75/x
  3. Step 3: Cross multiply
    16,930.60x = 23,365.10 × 9,377.75
  4. Step 4: Simplify right side
    16,930.60x = 219,112,066.53
  5. Step 5: Solve for x
    x = 219,112,066.53/16,930.60
  6. Step 6: Final answer
    x = 12,941.78

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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.