Home / 11,159.51-16,715.78-5,310.23

Finding the Fourth Proportional to 11,159.51, 16,715.78 and 5,310.23

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Solution

The fourth proportional to 11,159.51, 16,715.78 and 5,310.23 is: 7,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.51 : 16,715.78 = 5,310.23 : x
  2. Step 2: Convert to fraction form
    11,159.51/16,715.78 = 5,310.23/x
  3. Step 3: Cross multiply
    11,159.51x = 16,715.78 × 5,310.23
  4. Step 4: Simplify right side
    11,159.51x = 88,764,609.88
  5. Step 5: Solve for x
    x = 88,764,609.88/11,159.51
  6. Step 6: Final answer
    x = 7,954.17

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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.