Home / 11,433.40-17,150.10-5,289.40

Finding the Fourth Proportional to 11,433.40, 17,150.10 and 5,289.40

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Solution

The fourth proportional to 11,433.40, 17,150.10 and 5,289.40 is: 7,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.40 : 17,150.10 = 5,289.40 : x
  2. Step 2: Convert to fraction form
    11,433.40/17,150.10 = 5,289.40/x
  3. Step 3: Cross multiply
    11,433.40x = 17,150.10 × 5,289.40
  4. Step 4: Simplify right side
    11,433.40x = 90,713,738.94
  5. Step 5: Solve for x
    x = 90,713,738.94/11,433.40
  6. Step 6: Final answer
    x = 7,934.10

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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.