Home / 16,948.68-23,387.31-9,394.80

Finding the Fourth Proportional to 16,948.68, 23,387.31 and 9,394.80

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Solution

The fourth proportional to 16,948.68, 23,387.31 and 9,394.80 is: 12,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.68 : 23,387.31 = 9,394.80 : x
  2. Step 2: Convert to fraction form
    16,948.68/23,387.31 = 9,394.80/x
  3. Step 3: Cross multiply
    16,948.68x = 23,387.31 × 9,394.80
  4. Step 4: Simplify right side
    16,948.68x = 219,719,099.99
  5. Step 5: Solve for x
    x = 219,719,099.99/16,948.68
  6. Step 6: Final answer
    x = 12,963.79

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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.