Home / 13,346.58-18,418.80-8,862.60

Finding the Fourth Proportional to 13,346.58, 18,418.80 and 8,862.60

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Solution

The fourth proportional to 13,346.58, 18,418.80 and 8,862.60 is: 12,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.58 : 18,418.80 = 8,862.60 : x
  2. Step 2: Convert to fraction form
    13,346.58/18,418.80 = 8,862.60/x
  3. Step 3: Cross multiply
    13,346.58x = 18,418.80 × 8,862.60
  4. Step 4: Simplify right side
    13,346.58x = 163,238,456.88
  5. Step 5: Solve for x
    x = 163,238,456.88/13,346.58
  6. Step 6: Final answer
    x = 12,230.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.