Home / 13,960.40-19,268.38-8,587.44

Finding the Fourth Proportional to 13,960.40, 19,268.38 and 8,587.44

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Solution

The fourth proportional to 13,960.40, 19,268.38 and 8,587.44 is: 11,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.40 : 19,268.38 = 8,587.44 : x
  2. Step 2: Convert to fraction form
    13,960.40/19,268.38 = 8,587.44/x
  3. Step 3: Cross multiply
    13,960.40x = 19,268.38 × 8,587.44
  4. Step 4: Simplify right side
    13,960.40x = 165,466,057.15
  5. Step 5: Solve for x
    x = 165,466,057.15/13,960.40
  6. Step 6: Final answer
    x = 11,852.53

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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.