Home / 11,391.22-17,064.15-7,483.78

Finding the Fourth Proportional to 11,391.22, 17,064.15 and 7,483.78

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Solution

The fourth proportional to 11,391.22, 17,064.15 and 7,483.78 is: 11,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.22 : 17,064.15 = 7,483.78 : x
  2. Step 2: Convert to fraction form
    11,391.22/17,064.15 = 7,483.78/x
  3. Step 3: Cross multiply
    11,391.22x = 17,064.15 × 7,483.78
  4. Step 4: Simplify right side
    11,391.22x = 127,704,344.49
  5. Step 5: Solve for x
    x = 127,704,344.49/11,391.22
  6. Step 6: Final answer
    x = 11,210.77

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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.