Home / 13,837.56-19,083.97-9,116.88

Finding the Fourth Proportional to 13,837.56, 19,083.97 and 9,116.88

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Solution

The fourth proportional to 13,837.56, 19,083.97 and 9,116.88 is: 12,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.56 : 19,083.97 = 9,116.88 : x
  2. Step 2: Convert to fraction form
    13,837.56/19,083.97 = 9,116.88/x
  3. Step 3: Cross multiply
    13,837.56x = 19,083.97 × 9,116.88
  4. Step 4: Simplify right side
    13,837.56x = 173,986,264.41
  5. Step 5: Solve for x
    x = 173,986,264.41/13,837.56
  6. Step 6: Final answer
    x = 12,573.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.