Home / 10,271.64-15,405.09-2,876.61

Finding the Fourth Proportional to 10,271.64, 15,405.09 and 2,876.61

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Solution

The fourth proportional to 10,271.64, 15,405.09 and 2,876.61 is: 4,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.64 : 15,405.09 = 2,876.61 : x
  2. Step 2: Convert to fraction form
    10,271.64/15,405.09 = 2,876.61/x
  3. Step 3: Cross multiply
    10,271.64x = 15,405.09 × 2,876.61
  4. Step 4: Simplify right side
    10,271.64x = 44,314,435.94
  5. Step 5: Solve for x
    x = 44,314,435.94/10,271.64
  6. Step 6: Final answer
    x = 4,314.25

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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.