Home / 18,440.46-27,637.54-7,898.06

Finding the Fourth Proportional to 18,440.46, 27,637.54 and 7,898.06

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Solution

The fourth proportional to 18,440.46, 27,637.54 and 7,898.06 is: 11,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.46 : 27,637.54 = 7,898.06 : x
  2. Step 2: Convert to fraction form
    18,440.46/27,637.54 = 7,898.06/x
  3. Step 3: Cross multiply
    18,440.46x = 27,637.54 × 7,898.06
  4. Step 4: Simplify right side
    18,440.46x = 218,282,998.52
  5. Step 5: Solve for x
    x = 218,282,998.52/18,440.46
  6. Step 6: Final answer
    x = 11,837.18

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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.