Home / 13,495.32-20,229.30-5,173.20

Finding the Fourth Proportional to 13,495.32, 20,229.30 and 5,173.20

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Solution

The fourth proportional to 13,495.32, 20,229.30 and 5,173.20 is: 7,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.32 : 20,229.30 = 5,173.20 : x
  2. Step 2: Convert to fraction form
    13,495.32/20,229.30 = 5,173.20/x
  3. Step 3: Cross multiply
    13,495.32x = 20,229.30 × 5,173.20
  4. Step 4: Simplify right side
    13,495.32x = 104,650,214.76
  5. Step 5: Solve for x
    x = 104,650,214.76/13,495.32
  6. Step 6: Final answer
    x = 7,754.56

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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.