Home / 9,433.12-14,147.78-2,857.76

Finding the Fourth Proportional to 9,433.12, 14,147.78 and 2,857.76

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Solution

The fourth proportional to 9,433.12, 14,147.78 and 2,857.76 is: 4,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.12 : 14,147.78 = 2,857.76 : x
  2. Step 2: Convert to fraction form
    9,433.12/14,147.78 = 2,857.76/x
  3. Step 3: Cross multiply
    9,433.12x = 14,147.78 × 2,857.76
  4. Step 4: Simplify right side
    9,433.12x = 40,430,959.77
  5. Step 5: Solve for x
    x = 40,430,959.77/9,433.12
  6. Step 6: Final answer
    x = 4,286.06

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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.