Home / 11,954.72-17,935.53-5,290.97

Finding the Fourth Proportional to 11,954.72, 17,935.53 and 5,290.97

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Solution

The fourth proportional to 11,954.72, 17,935.53 and 5,290.97 is: 7,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.72 : 17,935.53 = 5,290.97 : x
  2. Step 2: Convert to fraction form
    11,954.72/17,935.53 = 5,290.97/x
  3. Step 3: Cross multiply
    11,954.72x = 17,935.53 × 5,290.97
  4. Step 4: Simplify right side
    11,954.72x = 94,896,261.49
  5. Step 5: Solve for x
    x = 94,896,261.49/11,954.72
  6. Step 6: Final answer
    x = 7,937.98

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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.