Home / 13,493.57-20,247.23-9,101.81

Finding the Fourth Proportional to 13,493.57, 20,247.23 and 9,101.81

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Solution

The fourth proportional to 13,493.57, 20,247.23 and 9,101.81 is: 13,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.57 : 20,247.23 = 9,101.81 : x
  2. Step 2: Convert to fraction form
    13,493.57/20,247.23 = 9,101.81/x
  3. Step 3: Cross multiply
    13,493.57x = 20,247.23 × 9,101.81
  4. Step 4: Simplify right side
    13,493.57x = 184,286,513.86
  5. Step 5: Solve for x
    x = 184,286,513.86/13,493.57
  6. Step 6: Final answer
    x = 13,657.36

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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.