Home / 19,648.39-29,472.89-10,938.66

Finding the Fourth Proportional to 19,648.39, 29,472.89 and 10,938.66

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Solution

The fourth proportional to 19,648.39, 29,472.89 and 10,938.66 is: 16,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.39 : 29,472.89 = 10,938.66 : x
  2. Step 2: Convert to fraction form
    19,648.39/29,472.89 = 10,938.66/x
  3. Step 3: Cross multiply
    19,648.39x = 29,472.89 × 10,938.66
  4. Step 4: Simplify right side
    19,648.39x = 322,393,922.93
  5. Step 5: Solve for x
    x = 322,393,922.93/19,648.39
  6. Step 6: Final answer
    x = 16,408.16

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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.