Home / 12,521.54-17,264.40-7,797.62

Finding the Fourth Proportional to 12,521.54, 17,264.40 and 7,797.62

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Solution

The fourth proportional to 12,521.54, 17,264.40 and 7,797.62 is: 10,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.54 : 17,264.40 = 7,797.62 : x
  2. Step 2: Convert to fraction form
    12,521.54/17,264.40 = 7,797.62/x
  3. Step 3: Cross multiply
    12,521.54x = 17,264.40 × 7,797.62
  4. Step 4: Simplify right side
    12,521.54x = 134,621,230.73
  5. Step 5: Solve for x
    x = 134,621,230.73/12,521.54
  6. Step 6: Final answer
    x = 10,751.17

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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.