Home / 12,744.84-17,587.30-7,079.96

Finding the Fourth Proportional to 12,744.84, 17,587.30 and 7,079.96

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Solution

The fourth proportional to 12,744.84, 17,587.30 and 7,079.96 is: 9,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.84 : 17,587.30 = 7,079.96 : x
  2. Step 2: Convert to fraction form
    12,744.84/17,587.30 = 7,079.96/x
  3. Step 3: Cross multiply
    12,744.84x = 17,587.30 × 7,079.96
  4. Step 4: Simplify right side
    12,744.84x = 124,517,380.51
  5. Step 5: Solve for x
    x = 124,517,380.51/12,744.84
  6. Step 6: Final answer
    x = 9,770.02

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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.