Home / 10,181.28-15,267.60-3,609.12

Finding the Fourth Proportional to 10,181.28, 15,267.60 and 3,609.12

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Solution

The fourth proportional to 10,181.28, 15,267.60 and 3,609.12 is: 5,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.28 : 15,267.60 = 3,609.12 : x
  2. Step 2: Convert to fraction form
    10,181.28/15,267.60 = 3,609.12/x
  3. Step 3: Cross multiply
    10,181.28x = 15,267.60 × 3,609.12
  4. Step 4: Simplify right side
    10,181.28x = 55,102,600.51
  5. Step 5: Solve for x
    x = 55,102,600.51/10,181.28
  6. Step 6: Final answer
    x = 5,412.15

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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.