Home / 21,398.22-32,097.33-5,818.14

Finding the Fourth Proportional to 21,398.22, 32,097.33 and 5,818.14

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Solution

The fourth proportional to 21,398.22, 32,097.33 and 5,818.14 is: 8,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.22 : 32,097.33 = 5,818.14 : x
  2. Step 2: Convert to fraction form
    21,398.22/32,097.33 = 5,818.14/x
  3. Step 3: Cross multiply
    21,398.22x = 32,097.33 × 5,818.14
  4. Step 4: Simplify right side
    21,398.22x = 186,746,759.57
  5. Step 5: Solve for x
    x = 186,746,759.57/21,398.22
  6. Step 6: Final answer
    x = 8,727.21

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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.