Home / 10,981.68-16,475.07-3,190.26

Finding the Fourth Proportional to 10,981.68, 16,475.07 and 3,190.26

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Solution

The fourth proportional to 10,981.68, 16,475.07 and 3,190.26 is: 4,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.68 : 16,475.07 = 3,190.26 : x
  2. Step 2: Convert to fraction form
    10,981.68/16,475.07 = 3,190.26/x
  3. Step 3: Cross multiply
    10,981.68x = 16,475.07 × 3,190.26
  4. Step 4: Simplify right side
    10,981.68x = 52,559,756.82
  5. Step 5: Solve for x
    x = 52,559,756.82/10,981.68
  6. Step 6: Final answer
    x = 4,786.13

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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.