Home / 13,665.39-20,498.10-3,804.69

Finding the Fourth Proportional to 13,665.39, 20,498.10 and 3,804.69

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Solution

The fourth proportional to 13,665.39, 20,498.10 and 3,804.69 is: 5,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.39 : 20,498.10 = 3,804.69 : x
  2. Step 2: Convert to fraction form
    13,665.39/20,498.10 = 3,804.69/x
  3. Step 3: Cross multiply
    13,665.39x = 20,498.10 × 3,804.69
  4. Step 4: Simplify right side
    13,665.39x = 77,988,916.09
  5. Step 5: Solve for x
    x = 77,988,916.09/13,665.39
  6. Step 6: Final answer
    x = 5,707.04

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Similar ratio
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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.