Home / 14,618.60-21,944.10-9,078.20

Finding the Fourth Proportional to 14,618.60, 21,944.10 and 9,078.20

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Solution

The fourth proportional to 14,618.60, 21,944.10 and 9,078.20 is: 13,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.60 : 21,944.10 = 9,078.20 : x
  2. Step 2: Convert to fraction form
    14,618.60/21,944.10 = 9,078.20/x
  3. Step 3: Cross multiply
    14,618.60x = 21,944.10 × 9,078.20
  4. Step 4: Simplify right side
    14,618.60x = 199,212,928.62
  5. Step 5: Solve for x
    x = 199,212,928.62/14,618.60
  6. Step 6: Final answer
    x = 13,627.36

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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.