Home / 20,247.96-30,372.65-5,457.24

Finding the Fourth Proportional to 20,247.96, 30,372.65 and 5,457.24

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Solution

The fourth proportional to 20,247.96, 30,372.65 and 5,457.24 is: 8,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.96 : 30,372.65 = 5,457.24 : x
  2. Step 2: Convert to fraction form
    20,247.96/30,372.65 = 5,457.24/x
  3. Step 3: Cross multiply
    20,247.96x = 30,372.65 × 5,457.24
  4. Step 4: Simplify right side
    20,247.96x = 165,750,813.20
  5. Step 5: Solve for x
    x = 165,750,813.20/20,247.96
  6. Step 6: Final answer
    x = 8,186.05

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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.