Home / 13,801.81-20,696.37-4,440.10

Finding the Fourth Proportional to 13,801.81, 20,696.37 and 4,440.10

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Solution

The fourth proportional to 13,801.81, 20,696.37 and 4,440.10 is: 6,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.81 : 20,696.37 = 4,440.10 : x
  2. Step 2: Convert to fraction form
    13,801.81/20,696.37 = 4,440.10/x
  3. Step 3: Cross multiply
    13,801.81x = 20,696.37 × 4,440.10
  4. Step 4: Simplify right side
    13,801.81x = 91,893,952.44
  5. Step 5: Solve for x
    x = 91,893,952.44/13,801.81
  6. Step 6: Final answer
    x = 6,658.11

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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.