Home / 11,002.57-16,520.36-10,619.84

Finding the Fourth Proportional to 11,002.57, 16,520.36 and 10,619.84

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Solution

The fourth proportional to 11,002.57, 16,520.36 and 10,619.84 is: 15,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.57 : 16,520.36 = 10,619.84 : x
  2. Step 2: Convert to fraction form
    11,002.57/16,520.36 = 10,619.84/x
  3. Step 3: Cross multiply
    11,002.57x = 16,520.36 × 10,619.84
  4. Step 4: Simplify right side
    11,002.57x = 175,443,568.14
  5. Step 5: Solve for x
    x = 175,443,568.14/11,002.57
  6. Step 6: Final answer
    x = 15,945.69

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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.