Home / 21,717.90-32,579.96-6,926.99

Finding the Fourth Proportional to 21,717.90, 32,579.96 and 6,926.99

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Solution

The fourth proportional to 21,717.90, 32,579.96 and 6,926.99 is: 10,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.90 : 32,579.96 = 6,926.99 : x
  2. Step 2: Convert to fraction form
    21,717.90/32,579.96 = 6,926.99/x
  3. Step 3: Cross multiply
    21,717.90x = 32,579.96 × 6,926.99
  4. Step 4: Simplify right side
    21,717.90x = 225,680,859.59
  5. Step 5: Solve for x
    x = 225,680,859.59/21,717.90
  6. Step 6: Final answer
    x = 10,391.47

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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.