Home / 10,551.96-15,826.84-2,759.76

Finding the Fourth Proportional to 10,551.96, 15,826.84 and 2,759.76

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Solution

The fourth proportional to 10,551.96, 15,826.84 and 2,759.76 is: 4,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.96 : 15,826.84 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    10,551.96/15,826.84 = 2,759.76/x
  3. Step 3: Cross multiply
    10,551.96x = 15,826.84 × 2,759.76
  4. Step 4: Simplify right side
    10,551.96x = 43,678,279.96
  5. Step 5: Solve for x
    x = 43,678,279.96/10,551.96
  6. Step 6: Final answer
    x = 4,139.35

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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.