Home / 13,309.12-19,963.56-5,101.12

Finding the Fourth Proportional to 13,309.12, 19,963.56 and 5,101.12

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Solution

The fourth proportional to 13,309.12, 19,963.56 and 5,101.12 is: 7,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.12 : 19,963.56 = 5,101.12 : x
  2. Step 2: Convert to fraction form
    13,309.12/19,963.56 = 5,101.12/x
  3. Step 3: Cross multiply
    13,309.12x = 19,963.56 × 5,101.12
  4. Step 4: Simplify right side
    13,309.12x = 101,836,515.19
  5. Step 5: Solve for x
    x = 101,836,515.19/13,309.12
  6. Step 6: Final answer
    x = 7,651.63

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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.