Home / 11,279.98-15,573.45-7,248.61

Finding the Fourth Proportional to 11,279.98, 15,573.45 and 7,248.61

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Solution

The fourth proportional to 11,279.98, 15,573.45 and 7,248.61 is: 10,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.98 : 15,573.45 = 7,248.61 : x
  2. Step 2: Convert to fraction form
    11,279.98/15,573.45 = 7,248.61/x
  3. Step 3: Cross multiply
    11,279.98x = 15,573.45 × 7,248.61
  4. Step 4: Simplify right side
    11,279.98x = 112,885,783.68
  5. Step 5: Solve for x
    x = 112,885,783.68/11,279.98
  6. Step 6: Final answer
    x = 10,007.63

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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.