Home / 11,249.40-15,521.72-6,531.14

Finding the Fourth Proportional to 11,249.40, 15,521.72 and 6,531.14

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Solution

The fourth proportional to 11,249.40, 15,521.72 and 6,531.14 is: 9,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.40 : 15,521.72 = 6,531.14 : x
  2. Step 2: Convert to fraction form
    11,249.40/15,521.72 = 6,531.14/x
  3. Step 3: Cross multiply
    11,249.40x = 15,521.72 × 6,531.14
  4. Step 4: Simplify right side
    11,249.40x = 101,374,526.36
  5. Step 5: Solve for x
    x = 101,374,526.36/11,249.40
  6. Step 6: Final answer
    x = 9,011.55

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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.