Home / 9,618.39-13,273.38-5,426.64

Finding the Fourth Proportional to 9,618.39, 13,273.38 and 5,426.64

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Solution

The fourth proportional to 9,618.39, 13,273.38 and 5,426.64 is: 7,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.39 : 13,273.38 = 5,426.64 : x
  2. Step 2: Convert to fraction form
    9,618.39/13,273.38 = 5,426.64/x
  3. Step 3: Cross multiply
    9,618.39x = 13,273.38 × 5,426.64
  4. Step 4: Simplify right side
    9,618.39x = 72,029,854.84
  5. Step 5: Solve for x
    x = 72,029,854.84/9,618.39
  6. Step 6: Final answer
    x = 7,488.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.