Home / 11,019.20-16,527.84-6,399.68

Finding the Fourth Proportional to 11,019.20, 16,527.84 and 6,399.68

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Solution

The fourth proportional to 11,019.20, 16,527.84 and 6,399.68 is: 9,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.20 : 16,527.84 = 6,399.68 : x
  2. Step 2: Convert to fraction form
    11,019.20/16,527.84 = 6,399.68/x
  3. Step 3: Cross multiply
    11,019.20x = 16,527.84 × 6,399.68
  4. Step 4: Simplify right side
    11,019.20x = 105,772,887.09
  5. Step 5: Solve for x
    x = 105,772,887.09/11,019.20
  6. Step 6: Final answer
    x = 9,598.96

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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.