Home / 18,251.34-27,376.69-5,103.53

Finding the Fourth Proportional to 18,251.34, 27,376.69 and 5,103.53

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Solution

The fourth proportional to 18,251.34, 27,376.69 and 5,103.53 is: 7,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.34 : 27,376.69 = 5,103.53 : x
  2. Step 2: Convert to fraction form
    18,251.34/27,376.69 = 5,103.53/x
  3. Step 3: Cross multiply
    18,251.34x = 27,376.69 × 5,103.53
  4. Step 4: Simplify right side
    18,251.34x = 139,717,758.72
  5. Step 5: Solve for x
    x = 139,717,758.72/18,251.34
  6. Step 6: Final answer
    x = 7,655.21

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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.