Home / 11,521.08-15,894.36-8,544.24

Finding the Fourth Proportional to 11,521.08, 15,894.36 and 8,544.24

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Solution

The fourth proportional to 11,521.08, 15,894.36 and 8,544.24 is: 11,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.08 : 15,894.36 = 8,544.24 : x
  2. Step 2: Convert to fraction form
    11,521.08/15,894.36 = 8,544.24/x
  3. Step 3: Cross multiply
    11,521.08x = 15,894.36 × 8,544.24
  4. Step 4: Simplify right side
    11,521.08x = 135,805,226.49
  5. Step 5: Solve for x
    x = 135,805,226.49/11,521.08
  6. Step 6: Final answer
    x = 11,787.54

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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.