Home / 13,255.96-19,883.82-6,309.40

Finding the Fourth Proportional to 13,255.96, 19,883.82 and 6,309.40

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Solution

The fourth proportional to 13,255.96, 19,883.82 and 6,309.40 is: 9,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.96 : 19,883.82 = 6,309.40 : x
  2. Step 2: Convert to fraction form
    13,255.96/19,883.82 = 6,309.40/x
  3. Step 3: Cross multiply
    13,255.96x = 19,883.82 × 6,309.40
  4. Step 4: Simplify right side
    13,255.96x = 125,454,973.91
  5. Step 5: Solve for x
    x = 125,454,973.91/13,255.96
  6. Step 6: Final answer
    x = 9,464.04

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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.