Home / 18,292.48-27,435.52-5,141.72

Finding the Fourth Proportional to 18,292.48, 27,435.52 and 5,141.72

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Solution

The fourth proportional to 18,292.48, 27,435.52 and 5,141.72 is: 7,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.48 : 27,435.52 = 5,141.72 : x
  2. Step 2: Convert to fraction form
    18,292.48/27,435.52 = 5,141.72/x
  3. Step 3: Cross multiply
    18,292.48x = 27,435.52 × 5,141.72
  4. Step 4: Simplify right side
    18,292.48x = 141,065,817.63
  5. Step 5: Solve for x
    x = 141,065,817.63/18,292.48
  6. Step 6: Final answer
    x = 7,711.68

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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.