Home / 13,448.28-18,554.07-9,616.68

Finding the Fourth Proportional to 13,448.28, 18,554.07 and 9,616.68

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Solution

The fourth proportional to 13,448.28, 18,554.07 and 9,616.68 is: 13,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.28 : 18,554.07 = 9,616.68 : x
  2. Step 2: Convert to fraction form
    13,448.28/18,554.07 = 9,616.68/x
  3. Step 3: Cross multiply
    13,448.28x = 18,554.07 × 9,616.68
  4. Step 4: Simplify right side
    13,448.28x = 178,428,553.89
  5. Step 5: Solve for x
    x = 178,428,553.89/13,448.28
  6. Step 6: Final answer
    x = 13,267.76

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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.