Home / 11,074.40-15,282.72-6,600.40

Finding the Fourth Proportional to 11,074.40, 15,282.72 and 6,600.40

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Solution

The fourth proportional to 11,074.40, 15,282.72 and 6,600.40 is: 9,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.40 : 15,282.72 = 6,600.40 : x
  2. Step 2: Convert to fraction form
    11,074.40/15,282.72 = 6,600.40/x
  3. Step 3: Cross multiply
    11,074.40x = 15,282.72 × 6,600.40
  4. Step 4: Simplify right side
    11,074.40x = 100,872,065.09
  5. Step 5: Solve for x
    x = 100,872,065.09/11,074.40
  6. Step 6: Final answer
    x = 9,108.58

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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.