Home / 13,566.96-18,726.12-8,261.73

Finding the Fourth Proportional to 13,566.96, 18,726.12 and 8,261.73

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Solution

The fourth proportional to 13,566.96, 18,726.12 and 8,261.73 is: 11,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.96 : 18,726.12 = 8,261.73 : x
  2. Step 2: Convert to fraction form
    13,566.96/18,726.12 = 8,261.73/x
  3. Step 3: Cross multiply
    13,566.96x = 18,726.12 × 8,261.73
  4. Step 4: Simplify right side
    13,566.96x = 154,710,147.39
  5. Step 5: Solve for x
    x = 154,710,147.39/13,566.96
  6. Step 6: Final answer
    x = 11,403.45

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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.