Home / 11,239.60-15,509.54-6,523.42

Finding the Fourth Proportional to 11,239.60, 15,509.54 and 6,523.42

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Solution

The fourth proportional to 11,239.60, 15,509.54 and 6,523.42 is: 9,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.60 : 15,509.54 = 6,523.42 : x
  2. Step 2: Convert to fraction form
    11,239.60/15,509.54 = 6,523.42/x
  3. Step 3: Cross multiply
    11,239.60x = 15,509.54 × 6,523.42
  4. Step 4: Simplify right side
    11,239.60x = 101,175,243.43
  5. Step 5: Solve for x
    x = 101,175,243.43/11,239.60
  6. Step 6: Final answer
    x = 9,001.68

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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.