Home / 15,891.39-23,820.68-10,355.55

Finding the Fourth Proportional to 15,891.39, 23,820.68 and 10,355.55

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Solution

The fourth proportional to 15,891.39, 23,820.68 and 10,355.55 is: 15,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.39 : 23,820.68 = 10,355.55 : x
  2. Step 2: Convert to fraction form
    15,891.39/23,820.68 = 10,355.55/x
  3. Step 3: Cross multiply
    15,891.39x = 23,820.68 × 10,355.55
  4. Step 4: Simplify right side
    15,891.39x = 246,676,179.34
  5. Step 5: Solve for x
    x = 246,676,179.34/15,891.39
  6. Step 6: Final answer
    x = 15,522.63

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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.