Home / 10,291.44-15,437.20-2,896.72

Finding the Fourth Proportional to 10,291.44, 15,437.20 and 2,896.72

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Solution

The fourth proportional to 10,291.44, 15,437.20 and 2,896.72 is: 4,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.44 : 15,437.20 = 2,896.72 : x
  2. Step 2: Convert to fraction form
    10,291.44/15,437.20 = 2,896.72/x
  3. Step 3: Cross multiply
    10,291.44x = 15,437.20 × 2,896.72
  4. Step 4: Simplify right side
    10,291.44x = 44,717,245.98
  5. Step 5: Solve for x
    x = 44,717,245.98/10,291.44
  6. Step 6: Final answer
    x = 4,345.09

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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.