Home / 18,376.61-27,570.14-9,019.43

Finding the Fourth Proportional to 18,376.61, 27,570.14 and 9,019.43

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Solution

The fourth proportional to 18,376.61, 27,570.14 and 9,019.43 is: 13,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.61 : 27,570.14 = 9,019.43 : x
  2. Step 2: Convert to fraction form
    18,376.61/27,570.14 = 9,019.43/x
  3. Step 3: Cross multiply
    18,376.61x = 27,570.14 × 9,019.43
  4. Step 4: Simplify right side
    18,376.61x = 248,666,764.87
  5. Step 5: Solve for x
    x = 248,666,764.87/18,376.61
  6. Step 6: Final answer
    x = 13,531.70

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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.