Home / 11,279.49-15,539.76-10,754.61

Finding the Fourth Proportional to 11,279.49, 15,539.76 and 10,754.61

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Solution

The fourth proportional to 11,279.49, 15,539.76 and 10,754.61 is: 14,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.49 : 15,539.76 = 10,754.61 : x
  2. Step 2: Convert to fraction form
    11,279.49/15,539.76 = 10,754.61/x
  3. Step 3: Cross multiply
    11,279.49x = 15,539.76 × 10,754.61
  4. Step 4: Simplify right side
    11,279.49x = 167,124,058.29
  5. Step 5: Solve for x
    x = 167,124,058.29/11,279.49
  6. Step 6: Final answer
    x = 14,816.63

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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.