Home / 15,274.42-22,908.86-5,279.16

Finding the Fourth Proportional to 15,274.42, 22,908.86 and 5,279.16

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Solution

The fourth proportional to 15,274.42, 22,908.86 and 5,279.16 is: 7,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.42 : 22,908.86 = 5,279.16 : x
  2. Step 2: Convert to fraction form
    15,274.42/22,908.86 = 5,279.16/x
  3. Step 3: Cross multiply
    15,274.42x = 22,908.86 × 5,279.16
  4. Step 4: Simplify right side
    15,274.42x = 120,939,537.36
  5. Step 5: Solve for x
    x = 120,939,537.36/15,274.42
  6. Step 6: Final answer
    x = 7,917.78

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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.