Home / 13,302.18-18,336.87-10,940.22

Finding the Fourth Proportional to 13,302.18, 18,336.87 and 10,940.22

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Solution

The fourth proportional to 13,302.18, 18,336.87 and 10,940.22 is: 15,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.18 : 18,336.87 = 10,940.22 : x
  2. Step 2: Convert to fraction form
    13,302.18/18,336.87 = 10,940.22/x
  3. Step 3: Cross multiply
    13,302.18x = 18,336.87 × 10,940.22
  4. Step 4: Simplify right side
    13,302.18x = 200,609,391.91
  5. Step 5: Solve for x
    x = 200,609,391.91/13,302.18
  6. Step 6: Final answer
    x = 15,080.94

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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.