Home / 11,123.52-15,351.60-6,408.24

Finding the Fourth Proportional to 11,123.52, 15,351.60 and 6,408.24

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Solution

The fourth proportional to 11,123.52, 15,351.60 and 6,408.24 is: 8,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.52 : 15,351.60 = 6,408.24 : x
  2. Step 2: Convert to fraction form
    11,123.52/15,351.60 = 6,408.24/x
  3. Step 3: Cross multiply
    11,123.52x = 15,351.60 × 6,408.24
  4. Step 4: Simplify right side
    11,123.52x = 98,376,737.18
  5. Step 5: Solve for x
    x = 98,376,737.18/11,123.52
  6. Step 6: Final answer
    x = 8,844.03

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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.