Home / 13,264.80-19,909.08-11,856.98

Finding the Fourth Proportional to 13,264.80, 19,909.08 and 11,856.98

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Solution

The fourth proportional to 13,264.80, 19,909.08 and 11,856.98 is: 17,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.80 : 19,909.08 = 11,856.98 : x
  2. Step 2: Convert to fraction form
    13,264.80/19,909.08 = 11,856.98/x
  3. Step 3: Cross multiply
    13,264.80x = 19,909.08 × 11,856.98
  4. Step 4: Simplify right side
    13,264.80x = 236,061,563.38
  5. Step 5: Solve for x
    x = 236,061,563.38/13,264.80
  6. Step 6: Final answer
    x = 17,796.09

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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.