Home / 13,665.25-20,497.51-3,804.13

Finding the Fourth Proportional to 13,665.25, 20,497.51 and 3,804.13

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Solution

The fourth proportional to 13,665.25, 20,497.51 and 3,804.13 is: 5,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.25 : 20,497.51 = 3,804.13 : x
  2. Step 2: Convert to fraction form
    13,665.25/20,497.51 = 3,804.13/x
  3. Step 3: Cross multiply
    13,665.25x = 20,497.51 × 3,804.13
  4. Step 4: Simplify right side
    13,665.25x = 77,975,192.72
  5. Step 5: Solve for x
    x = 77,975,192.72/13,665.25
  6. Step 6: Final answer
    x = 5,706.09

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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.