Home / 13,079.88-19,619.82-11,548.98

Finding the Fourth Proportional to 13,079.88, 19,619.82 and 11,548.98

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Solution

The fourth proportional to 13,079.88, 19,619.82 and 11,548.98 is: 17,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.88 : 19,619.82 = 11,548.98 : x
  2. Step 2: Convert to fraction form
    13,079.88/19,619.82 = 11,548.98/x
  3. Step 3: Cross multiply
    13,079.88x = 19,619.82 × 11,548.98
  4. Step 4: Simplify right side
    13,079.88x = 226,588,908.78
  5. Step 5: Solve for x
    x = 226,588,908.78/13,079.88
  6. Step 6: Final answer
    x = 17,323.47

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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.