Home / 18,867.88-28,293.66-9,502.12

Finding the Fourth Proportional to 18,867.88, 28,293.66 and 9,502.12

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Solution

The fourth proportional to 18,867.88, 28,293.66 and 9,502.12 is: 14,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.88 : 28,293.66 = 9,502.12 : x
  2. Step 2: Convert to fraction form
    18,867.88/28,293.66 = 9,502.12/x
  3. Step 3: Cross multiply
    18,867.88x = 28,293.66 × 9,502.12
  4. Step 4: Simplify right side
    18,867.88x = 268,849,752.56
  5. Step 5: Solve for x
    x = 268,849,752.56/18,867.88
  6. Step 6: Final answer
    x = 14,249.07

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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.