Home / 13,294.54-18,348.42-7,992.28

Finding the Fourth Proportional to 13,294.54, 18,348.42 and 7,992.28

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Solution

The fourth proportional to 13,294.54, 18,348.42 and 7,992.28 is: 11,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.54 : 18,348.42 = 7,992.28 : x
  2. Step 2: Convert to fraction form
    13,294.54/18,348.42 = 7,992.28/x
  3. Step 3: Cross multiply
    13,294.54x = 18,348.42 × 7,992.28
  4. Step 4: Simplify right side
    13,294.54x = 146,645,710.20
  5. Step 5: Solve for x
    x = 146,645,710.20/13,294.54
  6. Step 6: Final answer
    x = 11,030.52

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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.