Home / 11,261.20-15,536.36-6,544.40

Finding the Fourth Proportional to 11,261.20, 15,536.36 and 6,544.40

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Solution

The fourth proportional to 11,261.20, 15,536.36 and 6,544.40 is: 9,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.20 : 15,536.36 = 6,544.40 : x
  2. Step 2: Convert to fraction form
    11,261.20/15,536.36 = 6,544.40/x
  3. Step 3: Cross multiply
    11,261.20x = 15,536.36 × 6,544.40
  4. Step 4: Simplify right side
    11,261.20x = 101,676,154.38
  5. Step 5: Solve for x
    x = 101,676,154.38/11,261.20
  6. Step 6: Final answer
    x = 9,028.89

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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.