Home / 10,960.68-15,125.22-6,768.12

Finding the Fourth Proportional to 10,960.68, 15,125.22 and 6,768.12

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Solution

The fourth proportional to 10,960.68, 15,125.22 and 6,768.12 is: 9,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.68 : 15,125.22 = 6,768.12 : x
  2. Step 2: Convert to fraction form
    10,960.68/15,125.22 = 6,768.12/x
  3. Step 3: Cross multiply
    10,960.68x = 15,125.22 × 6,768.12
  4. Step 4: Simplify right side
    10,960.68x = 102,369,303.99
  5. Step 5: Solve for x
    x = 102,369,303.99/10,960.68
  6. Step 6: Final answer
    x = 9,339.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.