Home / 10,279.24-15,415.02-3,703.72

Finding the Fourth Proportional to 10,279.24, 15,415.02 and 3,703.72

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Solution

The fourth proportional to 10,279.24, 15,415.02 and 3,703.72 is: 5,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.24 : 15,415.02 = 3,703.72 : x
  2. Step 2: Convert to fraction form
    10,279.24/15,415.02 = 3,703.72/x
  3. Step 3: Cross multiply
    10,279.24x = 15,415.02 × 3,703.72
  4. Step 4: Simplify right side
    10,279.24x = 57,092,917.87
  5. Step 5: Solve for x
    x = 57,092,917.87/10,279.24
  6. Step 6: Final answer
    x = 5,554.20

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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.