Home / 12,759.84-17,603.66-9,410.59

Finding the Fourth Proportional to 12,759.84, 17,603.66 and 9,410.59

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Solution

The fourth proportional to 12,759.84, 17,603.66 and 9,410.59 is: 12,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.84 : 17,603.66 = 9,410.59 : x
  2. Step 2: Convert to fraction form
    12,759.84/17,603.66 = 9,410.59/x
  3. Step 3: Cross multiply
    12,759.84x = 17,603.66 × 9,410.59
  4. Step 4: Simplify right side
    12,759.84x = 165,660,872.29
  5. Step 5: Solve for x
    x = 165,660,872.29/12,759.84
  6. Step 6: Final answer
    x = 12,982.99

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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.