Home / 10,803.39-16,207.11-7,440.37

Finding the Fourth Proportional to 10,803.39, 16,207.11 and 7,440.37

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Solution

The fourth proportional to 10,803.39, 16,207.11 and 7,440.37 is: 11,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.39 : 16,207.11 = 7,440.37 : x
  2. Step 2: Convert to fraction form
    10,803.39/16,207.11 = 7,440.37/x
  3. Step 3: Cross multiply
    10,803.39x = 16,207.11 × 7,440.37
  4. Step 4: Simplify right side
    10,803.39x = 120,586,895.03
  5. Step 5: Solve for x
    x = 120,586,895.03/10,803.39
  6. Step 6: Final answer
    x = 11,161.95

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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.