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Finding the Fourth Proportional to 12,959.58, 17,883.14 and 7,294.04

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Solution

The fourth proportional to 12,959.58, 17,883.14 and 7,294.04 is: 10,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.58 : 17,883.14 = 7,294.04 : x
  2. Step 2: Convert to fraction form
    12,959.58/17,883.14 = 7,294.04/x
  3. Step 3: Cross multiply
    12,959.58x = 17,883.14 × 7,294.04
  4. Step 4: Simplify right side
    12,959.58x = 130,440,338.49
  5. Step 5: Solve for x
    x = 130,440,338.49/12,959.58
  6. Step 6: Final answer
    x = 10,065.17

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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.