Home / 13,908.36-19,197.56-7,943.28

Finding the Fourth Proportional to 13,908.36, 19,197.56 and 7,943.28

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Solution

The fourth proportional to 13,908.36, 19,197.56 and 7,943.28 is: 10,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.36 : 19,197.56 = 7,943.28 : x
  2. Step 2: Convert to fraction form
    13,908.36/19,197.56 = 7,943.28/x
  3. Step 3: Cross multiply
    13,908.36x = 19,197.56 × 7,943.28
  4. Step 4: Simplify right side
    13,908.36x = 152,491,594.40
  5. Step 5: Solve for x
    x = 152,491,594.40/13,908.36
  6. Step 6: Final answer
    x = 10,964.02

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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.