Home / 13,246.31-19,850.99-9,955.55

Finding the Fourth Proportional to 13,246.31, 19,850.99 and 9,955.55

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Solution

The fourth proportional to 13,246.31, 19,850.99 and 9,955.55 is: 14,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.31 : 19,850.99 = 9,955.55 : x
  2. Step 2: Convert to fraction form
    13,246.31/19,850.99 = 9,955.55/x
  3. Step 3: Cross multiply
    13,246.31x = 19,850.99 × 9,955.55
  4. Step 4: Simplify right side
    13,246.31x = 197,627,523.49
  5. Step 5: Solve for x
    x = 197,627,523.49/13,246.31
  6. Step 6: Final answer
    x = 14,919.44

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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.