Home / 9,963.81-14,947.19-5,282.62

Finding the Fourth Proportional to 9,963.81, 14,947.19 and 5,282.62

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Solution

The fourth proportional to 9,963.81, 14,947.19 and 5,282.62 is: 7,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.81 : 14,947.19 = 5,282.62 : x
  2. Step 2: Convert to fraction form
    9,963.81/14,947.19 = 5,282.62/x
  3. Step 3: Cross multiply
    9,963.81x = 14,947.19 × 5,282.62
  4. Step 4: Simplify right side
    9,963.81x = 78,960,336.92
  5. Step 5: Solve for x
    x = 78,960,336.92/9,963.81
  6. Step 6: Final answer
    x = 7,924.71

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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.