Home / 13,527.15-20,287.66-6,502.78

Finding the Fourth Proportional to 13,527.15, 20,287.66 and 6,502.78

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Solution

The fourth proportional to 13,527.15, 20,287.66 and 6,502.78 is: 9,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.15 : 20,287.66 = 6,502.78 : x
  2. Step 2: Convert to fraction form
    13,527.15/20,287.66 = 6,502.78/x
  3. Step 3: Cross multiply
    13,527.15x = 20,287.66 × 6,502.78
  4. Step 4: Simplify right side
    13,527.15x = 131,926,249.76
  5. Step 5: Solve for x
    x = 131,926,249.76/13,527.15
  6. Step 6: Final answer
    x = 9,752.70

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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.