Home / 10,186.41-15,281.14-3,612.05

Finding the Fourth Proportional to 10,186.41, 15,281.14 and 3,612.05

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Solution

The fourth proportional to 10,186.41, 15,281.14 and 3,612.05 is: 5,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.41 : 15,281.14 = 3,612.05 : x
  2. Step 2: Convert to fraction form
    10,186.41/15,281.14 = 3,612.05/x
  3. Step 3: Cross multiply
    10,186.41x = 15,281.14 × 3,612.05
  4. Step 4: Simplify right side
    10,186.41x = 55,196,241.74
  5. Step 5: Solve for x
    x = 55,196,241.74/10,186.41
  6. Step 6: Final answer
    x = 5,418.62

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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.