Home / 11,011.86-16,517.81-4,685.11

Finding the Fourth Proportional to 11,011.86, 16,517.81 and 4,685.11

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Solution

The fourth proportional to 11,011.86, 16,517.81 and 4,685.11 is: 7,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.86 : 16,517.81 = 4,685.11 : x
  2. Step 2: Convert to fraction form
    11,011.86/16,517.81 = 4,685.11/x
  3. Step 3: Cross multiply
    11,011.86x = 16,517.81 × 4,685.11
  4. Step 4: Simplify right side
    11,011.86x = 77,387,756.81
  5. Step 5: Solve for x
    x = 77,387,756.81/11,011.86
  6. Step 6: Final answer
    x = 7,027.67

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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.