Home / 19,701.79-29,527.19-8,001.43

Finding the Fourth Proportional to 19,701.79, 29,527.19 and 8,001.43

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Solution

The fourth proportional to 19,701.79, 29,527.19 and 8,001.43 is: 11,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.79 : 29,527.19 = 8,001.43 : x
  2. Step 2: Convert to fraction form
    19,701.79/29,527.19 = 8,001.43/x
  3. Step 3: Cross multiply
    19,701.79x = 29,527.19 × 8,001.43
  4. Step 4: Simplify right side
    19,701.79x = 236,259,703.87
  5. Step 5: Solve for x
    x = 236,259,703.87/19,701.79
  6. Step 6: Final answer
    x = 11,991.79

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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.