Home / 9,984.28-14,974.84-3,320.23

Finding the Fourth Proportional to 9,984.28, 14,974.84 and 3,320.23

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Solution

The fourth proportional to 9,984.28, 14,974.84 and 3,320.23 is: 4,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.28 : 14,974.84 = 3,320.23 : x
  2. Step 2: Convert to fraction form
    9,984.28/14,974.84 = 3,320.23/x
  3. Step 3: Cross multiply
    9,984.28x = 14,974.84 × 3,320.23
  4. Step 4: Simplify right side
    9,984.28x = 49,719,913.01
  5. Step 5: Solve for x
    x = 49,719,913.01/9,984.28
  6. Step 6: Final answer
    x = 4,979.82

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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.