Home / 13,862.72-20,801.06-5,548.62

Finding the Fourth Proportional to 13,862.72, 20,801.06 and 5,548.62

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Solution

The fourth proportional to 13,862.72, 20,801.06 and 5,548.62 is: 8,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.72 : 20,801.06 = 5,548.62 : x
  2. Step 2: Convert to fraction form
    13,862.72/20,801.06 = 5,548.62/x
  3. Step 3: Cross multiply
    13,862.72x = 20,801.06 × 5,548.62
  4. Step 4: Simplify right side
    13,862.72x = 115,417,177.54
  5. Step 5: Solve for x
    x = 115,417,177.54/13,862.72
  6. Step 6: Final answer
    x = 8,325.72

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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.