Home / 11,342.52-15,653.39-6,306.78

Finding the Fourth Proportional to 11,342.52, 15,653.39 and 6,306.78

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Solution

The fourth proportional to 11,342.52, 15,653.39 and 6,306.78 is: 8,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.52 : 15,653.39 = 6,306.78 : x
  2. Step 2: Convert to fraction form
    11,342.52/15,653.39 = 6,306.78/x
  3. Step 3: Cross multiply
    11,342.52x = 15,653.39 × 6,306.78
  4. Step 4: Simplify right side
    11,342.52x = 98,722,455.45
  5. Step 5: Solve for x
    x = 98,722,455.45/11,342.52
  6. Step 6: Final answer
    x = 8,703.75

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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.