Home / 13,394.49-20,093.28-5,080.71

Finding the Fourth Proportional to 13,394.49, 20,093.28 and 5,080.71

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Solution

The fourth proportional to 13,394.49, 20,093.28 and 5,080.71 is: 7,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.49 : 20,093.28 = 5,080.71 : x
  2. Step 2: Convert to fraction form
    13,394.49/20,093.28 = 5,080.71/x
  3. Step 3: Cross multiply
    13,394.49x = 20,093.28 × 5,080.71
  4. Step 4: Simplify right side
    13,394.49x = 102,088,128.63
  5. Step 5: Solve for x
    x = 102,088,128.63/13,394.49
  6. Step 6: Final answer
    x = 7,621.65

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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.