Home / 16,911.60-25,367.40-9,135.60

Finding the Fourth Proportional to 16,911.60, 25,367.40 and 9,135.60

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Solution

The fourth proportional to 16,911.60, 25,367.40 and 9,135.60 is: 13,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.60 : 25,367.40 = 9,135.60 : x
  2. Step 2: Convert to fraction form
    16,911.60/25,367.40 = 9,135.60/x
  3. Step 3: Cross multiply
    16,911.60x = 25,367.40 × 9,135.60
  4. Step 4: Simplify right side
    16,911.60x = 231,746,419.44
  5. Step 5: Solve for x
    x = 231,746,419.44/16,911.60
  6. Step 6: Final answer
    x = 13,703.40

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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.