Home / 18,285.54-27,439.79-7,191.93

Finding the Fourth Proportional to 18,285.54, 27,439.79 and 7,191.93

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Solution

The fourth proportional to 18,285.54, 27,439.79 and 7,191.93 is: 10,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.54 : 27,439.79 = 7,191.93 : x
  2. Step 2: Convert to fraction form
    18,285.54/27,439.79 = 7,191.93/x
  3. Step 3: Cross multiply
    18,285.54x = 27,439.79 × 7,191.93
  4. Step 4: Simplify right side
    18,285.54x = 197,344,943.13
  5. Step 5: Solve for x
    x = 197,344,943.13/18,285.54
  6. Step 6: Final answer
    x = 10,792.40

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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.