Home / 21,966.70-32,950.04-8,819.06

Finding the Fourth Proportional to 21,966.70, 32,950.04 and 8,819.06

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Solution

The fourth proportional to 21,966.70, 32,950.04 and 8,819.06 is: 13,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.70 : 32,950.04 = 8,819.06 : x
  2. Step 2: Convert to fraction form
    21,966.70/32,950.04 = 8,819.06/x
  3. Step 3: Cross multiply
    21,966.70x = 32,950.04 × 8,819.06
  4. Step 4: Simplify right side
    21,966.70x = 290,588,418.04
  5. Step 5: Solve for x
    x = 290,588,418.04/21,966.70
  6. Step 6: Final answer
    x = 13,228.59

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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.