Home / 10,763.15-16,145.64-2,971.95

Finding the Fourth Proportional to 10,763.15, 16,145.64 and 2,971.95

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Solution

The fourth proportional to 10,763.15, 16,145.64 and 2,971.95 is: 4,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.15 : 16,145.64 = 2,971.95 : x
  2. Step 2: Convert to fraction form
    10,763.15/16,145.64 = 2,971.95/x
  3. Step 3: Cross multiply
    10,763.15x = 16,145.64 × 2,971.95
  4. Step 4: Simplify right side
    10,763.15x = 47,984,034.80
  5. Step 5: Solve for x
    x = 47,984,034.80/10,763.15
  6. Step 6: Final answer
    x = 4,458.18

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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.