Home / 13,710.52-18,913.20-9,226.60

Finding the Fourth Proportional to 13,710.52, 18,913.20 and 9,226.60

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Solution

The fourth proportional to 13,710.52, 18,913.20 and 9,226.60 is: 12,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.52 : 18,913.20 = 9,226.60 : x
  2. Step 2: Convert to fraction form
    13,710.52/18,913.20 = 9,226.60/x
  3. Step 3: Cross multiply
    13,710.52x = 18,913.20 × 9,226.60
  4. Step 4: Simplify right side
    13,710.52x = 174,504,531.12
  5. Step 5: Solve for x
    x = 174,504,531.12/13,710.52
  6. Step 6: Final answer
    x = 12,727.78

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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.