Home / 17,340.80-23,930.39-9,787.45

Finding the Fourth Proportional to 17,340.80, 23,930.39 and 9,787.45

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Solution

The fourth proportional to 17,340.80, 23,930.39 and 9,787.45 is: 13,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.80 : 23,930.39 = 9,787.45 : x
  2. Step 2: Convert to fraction form
    17,340.80/23,930.39 = 9,787.45/x
  3. Step 3: Cross multiply
    17,340.80x = 23,930.39 × 9,787.45
  4. Step 4: Simplify right side
    17,340.80x = 234,217,450.06
  5. Step 5: Solve for x
    x = 234,217,450.06/17,340.80
  6. Step 6: Final answer
    x = 13,506.73

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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.