Home / 13,309.48-19,963.53-3,949.58

Finding the Fourth Proportional to 13,309.48, 19,963.53 and 3,949.58

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Solution

The fourth proportional to 13,309.48, 19,963.53 and 3,949.58 is: 5,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.48 : 19,963.53 = 3,949.58 : x
  2. Step 2: Convert to fraction form
    13,309.48/19,963.53 = 3,949.58/x
  3. Step 3: Cross multiply
    13,309.48x = 19,963.53 × 3,949.58
  4. Step 4: Simplify right side
    13,309.48x = 78,847,459.00
  5. Step 5: Solve for x
    x = 78,847,459.00/13,309.48
  6. Step 6: Final answer
    x = 5,924.16

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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.