Home / 11,332.20-16,981.70-10,162.20

Finding the Fourth Proportional to 11,332.20, 16,981.70 and 10,162.20

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Solution

The fourth proportional to 11,332.20, 16,981.70 and 10,162.20 is: 15,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.20 : 16,981.70 = 10,162.20 : x
  2. Step 2: Convert to fraction form
    11,332.20/16,981.70 = 10,162.20/x
  3. Step 3: Cross multiply
    11,332.20x = 16,981.70 × 10,162.20
  4. Step 4: Simplify right side
    11,332.20x = 172,571,431.74
  5. Step 5: Solve for x
    x = 172,571,431.74/11,332.20
  6. Step 6: Final answer
    x = 15,228.41

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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.