Home / 13,013.73-17,940.29-9,281.25

Finding the Fourth Proportional to 13,013.73, 17,940.29 and 9,281.25

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Solution

The fourth proportional to 13,013.73, 17,940.29 and 9,281.25 is: 12,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.73 : 17,940.29 = 9,281.25 : x
  2. Step 2: Convert to fraction form
    13,013.73/17,940.29 = 9,281.25/x
  3. Step 3: Cross multiply
    13,013.73x = 17,940.29 × 9,281.25
  4. Step 4: Simplify right side
    13,013.73x = 166,508,270.16
  5. Step 5: Solve for x
    x = 166,508,270.16/13,013.73
  6. Step 6: Final answer
    x = 12,794.82

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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.