Home / 9,428.73-14,143.13-2,854.97

Finding the Fourth Proportional to 9,428.73, 14,143.13 and 2,854.97

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Solution

The fourth proportional to 9,428.73, 14,143.13 and 2,854.97 is: 4,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.73 : 14,143.13 = 2,854.97 : x
  2. Step 2: Convert to fraction form
    9,428.73/14,143.13 = 2,854.97/x
  3. Step 3: Cross multiply
    9,428.73x = 14,143.13 × 2,854.97
  4. Step 4: Simplify right side
    9,428.73x = 40,378,238.42
  5. Step 5: Solve for x
    x = 40,378,238.42/9,428.73
  6. Step 6: Final answer
    x = 4,282.47

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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.