Home / 9,618.84-13,274.01-5,427.09

Finding the Fourth Proportional to 9,618.84, 13,274.01 and 5,427.09

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Solution

The fourth proportional to 9,618.84, 13,274.01 and 5,427.09 is: 7,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.84 : 13,274.01 = 5,427.09 : x
  2. Step 2: Convert to fraction form
    9,618.84/13,274.01 = 5,427.09/x
  3. Step 3: Cross multiply
    9,618.84x = 13,274.01 × 5,427.09
  4. Step 4: Simplify right side
    9,618.84x = 72,039,246.93
  5. Step 5: Solve for x
    x = 72,039,246.93/9,618.84
  6. Step 6: Final answer
    x = 7,489.39

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Half scale
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Double scale
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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.