Home / 11,343.36-17,017.20-3,554.40

Finding the Fourth Proportional to 11,343.36, 17,017.20 and 3,554.40

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Solution

The fourth proportional to 11,343.36, 17,017.20 and 3,554.40 is: 5,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.36 : 17,017.20 = 3,554.40 : x
  2. Step 2: Convert to fraction form
    11,343.36/17,017.20 = 3,554.40/x
  3. Step 3: Cross multiply
    11,343.36x = 17,017.20 × 3,554.40
  4. Step 4: Simplify right side
    11,343.36x = 60,485,935.68
  5. Step 5: Solve for x
    x = 60,485,935.68/11,343.36
  6. Step 6: Final answer
    x = 5,332.28

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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.