Home / 13,726-18,935.53-8,058.93

Finding the Fourth Proportional to 13,726, 18,935.53 and 8,058.93

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Solution

The fourth proportional to 13,726, 18,935.53 and 8,058.93 is: 11,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726 : 18,935.53 = 8,058.93 : x
  2. Step 2: Convert to fraction form
    13,726/18,935.53 = 8,058.93/x
  3. Step 3: Cross multiply
    13,726x = 18,935.53 × 8,058.93
  4. Step 4: Simplify right side
    13,726x = 152,600,110.78
  5. Step 5: Solve for x
    x = 152,600,110.78/13,726
  6. Step 6: Final answer
    x = 11,117.60

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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.