Home / 13,741.39-18,960.95-8,080.99

Finding the Fourth Proportional to 13,741.39, 18,960.95 and 8,080.99

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Solution

The fourth proportional to 13,741.39, 18,960.95 and 8,080.99 is: 11,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.39 : 18,960.95 = 8,080.99 : x
  2. Step 2: Convert to fraction form
    13,741.39/18,960.95 = 8,080.99/x
  3. Step 3: Cross multiply
    13,741.39x = 18,960.95 × 8,080.99
  4. Step 4: Simplify right side
    13,741.39x = 153,223,247.34
  5. Step 5: Solve for x
    x = 153,223,247.34/13,741.39
  6. Step 6: Final answer
    x = 11,150.49

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Similar ratio
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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.