Home / 13,275.82-19,914.98-4,391.18

Finding the Fourth Proportional to 13,275.82, 19,914.98 and 4,391.18

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Solution

The fourth proportional to 13,275.82, 19,914.98 and 4,391.18 is: 6,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.82 : 19,914.98 = 4,391.18 : x
  2. Step 2: Convert to fraction form
    13,275.82/19,914.98 = 4,391.18/x
  3. Step 3: Cross multiply
    13,275.82x = 19,914.98 × 4,391.18
  4. Step 4: Simplify right side
    13,275.82x = 87,450,261.88
  5. Step 5: Solve for x
    x = 87,450,261.88/13,275.82
  6. Step 6: Final answer
    x = 6,587.18

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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.