Home / 10,181.98-15,275.36-3,161.63

Finding the Fourth Proportional to 10,181.98, 15,275.36 and 3,161.63

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Solution

The fourth proportional to 10,181.98, 15,275.36 and 3,161.63 is: 4,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.98 : 15,275.36 = 3,161.63 : x
  2. Step 2: Convert to fraction form
    10,181.98/15,275.36 = 3,161.63/x
  3. Step 3: Cross multiply
    10,181.98x = 15,275.36 × 3,161.63
  4. Step 4: Simplify right side
    10,181.98x = 48,295,009.44
  5. Step 5: Solve for x
    x = 48,295,009.44/10,181.98
  6. Step 6: Final answer
    x = 4,743.19

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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.