Home / 16,845.11-23,248.25-9,771.78

Finding the Fourth Proportional to 16,845.11, 23,248.25 and 9,771.78

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Solution

The fourth proportional to 16,845.11, 23,248.25 and 9,771.78 is: 13,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.11 : 23,248.25 = 9,771.78 : x
  2. Step 2: Convert to fraction form
    16,845.11/23,248.25 = 9,771.78/x
  3. Step 3: Cross multiply
    16,845.11x = 23,248.25 × 9,771.78
  4. Step 4: Simplify right side
    16,845.11x = 227,176,735.53
  5. Step 5: Solve for x
    x = 227,176,735.53/16,845.11
  6. Step 6: Final answer
    x = 13,486.22

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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.