Home / 10,314.12-15,486.96-9,091.82

Finding the Fourth Proportional to 10,314.12, 15,486.96 and 9,091.82

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Solution

The fourth proportional to 10,314.12, 15,486.96 and 9,091.82 is: 13,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.12 : 15,486.96 = 9,091.82 : x
  2. Step 2: Convert to fraction form
    10,314.12/15,486.96 = 9,091.82/x
  3. Step 3: Cross multiply
    10,314.12x = 15,486.96 × 9,091.82
  4. Step 4: Simplify right side
    10,314.12x = 140,804,652.67
  5. Step 5: Solve for x
    x = 140,804,652.67/10,314.12
  6. Step 6: Final answer
    x = 13,651.64

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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.