Home / 13,304.88-18,345.56-9,942.03

Finding the Fourth Proportional to 13,304.88, 18,345.56 and 9,942.03

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Solution

The fourth proportional to 13,304.88, 18,345.56 and 9,942.03 is: 13,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.88 : 18,345.56 = 9,942.03 : x
  2. Step 2: Convert to fraction form
    13,304.88/18,345.56 = 9,942.03/x
  3. Step 3: Cross multiply
    13,304.88x = 18,345.56 × 9,942.03
  4. Step 4: Simplify right side
    13,304.88x = 182,392,058.18
  5. Step 5: Solve for x
    x = 182,392,058.18/13,304.88
  6. Step 6: Final answer
    x = 13,708.66

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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.