Home / 18,887.24-28,305.34-7,194.08

Finding the Fourth Proportional to 18,887.24, 28,305.34 and 7,194.08

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Solution

The fourth proportional to 18,887.24, 28,305.34 and 7,194.08 is: 10,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.24 : 28,305.34 = 7,194.08 : x
  2. Step 2: Convert to fraction form
    18,887.24/28,305.34 = 7,194.08/x
  3. Step 3: Cross multiply
    18,887.24x = 28,305.34 × 7,194.08
  4. Step 4: Simplify right side
    18,887.24x = 203,630,933.17
  5. Step 5: Solve for x
    x = 203,630,933.17/18,887.24
  6. Step 6: Final answer
    x = 10,781.40

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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.