Home / 18,209.49-27,308.16-7,113.30

Finding the Fourth Proportional to 18,209.49, 27,308.16 and 7,113.30

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Solution

The fourth proportional to 18,209.49, 27,308.16 and 7,113.30 is: 10,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.49 : 27,308.16 = 7,113.30 : x
  2. Step 2: Convert to fraction form
    18,209.49/27,308.16 = 7,113.30/x
  3. Step 3: Cross multiply
    18,209.49x = 27,308.16 × 7,113.30
  4. Step 4: Simplify right side
    18,209.49x = 194,251,134.53
  5. Step 5: Solve for x
    x = 194,251,134.53/18,209.49
  6. Step 6: Final answer
    x = 10,667.58

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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.