Home / 10,181.51-15,274.65-3,161.16

Finding the Fourth Proportional to 10,181.51, 15,274.65 and 3,161.16

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Solution

The fourth proportional to 10,181.51, 15,274.65 and 3,161.16 is: 4,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.51 : 15,274.65 = 3,161.16 : x
  2. Step 2: Convert to fraction form
    10,181.51/15,274.65 = 3,161.16/x
  3. Step 3: Cross multiply
    10,181.51x = 15,274.65 × 3,161.16
  4. Step 4: Simplify right side
    10,181.51x = 48,285,624.45
  5. Step 5: Solve for x
    x = 48,285,624.45/10,181.51
  6. Step 6: Final answer
    x = 4,742.48

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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.