Home / 15,279.36-22,889.76-10,340.48

Finding the Fourth Proportional to 15,279.36, 22,889.76 and 10,340.48

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Solution

The fourth proportional to 15,279.36, 22,889.76 and 10,340.48 is: 15,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.36 : 22,889.76 = 10,340.48 : x
  2. Step 2: Convert to fraction form
    15,279.36/22,889.76 = 10,340.48/x
  3. Step 3: Cross multiply
    15,279.36x = 22,889.76 × 10,340.48
  4. Step 4: Simplify right side
    15,279.36x = 236,691,105.48
  5. Step 5: Solve for x
    x = 236,691,105.48/15,279.36
  6. Step 6: Final answer
    x = 15,490.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.