Home / 18,424.36-27,644.70-9,657.18

Finding the Fourth Proportional to 18,424.36, 27,644.70 and 9,657.18

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Solution

The fourth proportional to 18,424.36, 27,644.70 and 9,657.18 is: 14,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.36 : 27,644.70 = 9,657.18 : x
  2. Step 2: Convert to fraction form
    18,424.36/27,644.70 = 9,657.18/x
  3. Step 3: Cross multiply
    18,424.36x = 27,644.70 × 9,657.18
  4. Step 4: Simplify right side
    18,424.36x = 266,969,843.95
  5. Step 5: Solve for x
    x = 266,969,843.95/18,424.36
  6. Step 6: Final answer
    x = 14,490.05

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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.