Home / 12,282.54-16,943.40-9,293.10

Finding the Fourth Proportional to 12,282.54, 16,943.40 and 9,293.10

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Solution

The fourth proportional to 12,282.54, 16,943.40 and 9,293.10 is: 12,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.54 : 16,943.40 = 9,293.10 : x
  2. Step 2: Convert to fraction form
    12,282.54/16,943.40 = 9,293.10/x
  3. Step 3: Cross multiply
    12,282.54x = 16,943.40 × 9,293.10
  4. Step 4: Simplify right side
    12,282.54x = 157,456,710.54
  5. Step 5: Solve for x
    x = 157,456,710.54/12,282.54
  6. Step 6: Final answer
    x = 12,819.56

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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.