Home / 14,504.64-20,017.44-8,217.60

Finding the Fourth Proportional to 14,504.64, 20,017.44 and 8,217.60

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Solution

The fourth proportional to 14,504.64, 20,017.44 and 8,217.60 is: 11,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.64 : 20,017.44 = 8,217.60 : x
  2. Step 2: Convert to fraction form
    14,504.64/20,017.44 = 8,217.60/x
  3. Step 3: Cross multiply
    14,504.64x = 20,017.44 × 8,217.60
  4. Step 4: Simplify right side
    14,504.64x = 164,495,314.94
  5. Step 5: Solve for x
    x = 164,495,314.94/14,504.64
  6. Step 6: Final answer
    x = 11,340.88

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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.