Home / 13,236.54-19,862.55-5,342.85

Finding the Fourth Proportional to 13,236.54, 19,862.55 and 5,342.85

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Solution

The fourth proportional to 13,236.54, 19,862.55 and 5,342.85 is: 8,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.54 : 19,862.55 = 5,342.85 : x
  2. Step 2: Convert to fraction form
    13,236.54/19,862.55 = 5,342.85/x
  3. Step 3: Cross multiply
    13,236.54x = 19,862.55 × 5,342.85
  4. Step 4: Simplify right side
    13,236.54x = 106,122,625.27
  5. Step 5: Solve for x
    x = 106,122,625.27/13,236.54
  6. Step 6: Final answer
    x = 8,017.40

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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.