Home / 18,385.20-27,572.32-6,695.69

Finding the Fourth Proportional to 18,385.20, 27,572.32 and 6,695.69

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Solution

The fourth proportional to 18,385.20, 27,572.32 and 6,695.69 is: 10,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.20 : 27,572.32 = 6,695.69 : x
  2. Step 2: Convert to fraction form
    18,385.20/27,572.32 = 6,695.69/x
  3. Step 3: Cross multiply
    18,385.20x = 27,572.32 × 6,695.69
  4. Step 4: Simplify right side
    18,385.20x = 184,615,707.30
  5. Step 5: Solve for x
    x = 184,615,707.30/18,385.20
  6. Step 6: Final answer
    x = 10,041.54

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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.