Home / 11,131.43-16,697.34-5,206.68

Finding the Fourth Proportional to 11,131.43, 16,697.34 and 5,206.68

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Solution

The fourth proportional to 11,131.43, 16,697.34 and 5,206.68 is: 7,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.43 : 16,697.34 = 5,206.68 : x
  2. Step 2: Convert to fraction form
    11,131.43/16,697.34 = 5,206.68/x
  3. Step 3: Cross multiply
    11,131.43x = 16,697.34 × 5,206.68
  4. Step 4: Simplify right side
    11,131.43x = 86,937,706.23
  5. Step 5: Solve for x
    x = 86,937,706.23/11,131.43
  6. Step 6: Final answer
    x = 7,810.11

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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.