Home / 19,306.88-26,638.80-11,349.44

Finding the Fourth Proportional to 19,306.88, 26,638.80 and 11,349.44

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Solution

The fourth proportional to 19,306.88, 26,638.80 and 11,349.44 is: 15,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.88 : 26,638.80 = 11,349.44 : x
  2. Step 2: Convert to fraction form
    19,306.88/26,638.80 = 11,349.44/x
  3. Step 3: Cross multiply
    19,306.88x = 26,638.80 × 11,349.44
  4. Step 4: Simplify right side
    19,306.88x = 302,335,462.27
  5. Step 5: Solve for x
    x = 302,335,462.27/19,306.88
  6. Step 6: Final answer
    x = 15,659.47

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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.