Home / 11,403.43-17,105.14-8,303.17

Finding the Fourth Proportional to 11,403.43, 17,105.14 and 8,303.17

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Solution

The fourth proportional to 11,403.43, 17,105.14 and 8,303.17 is: 12,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.43 : 17,105.14 = 8,303.17 : x
  2. Step 2: Convert to fraction form
    11,403.43/17,105.14 = 8,303.17/x
  3. Step 3: Cross multiply
    11,403.43x = 17,105.14 × 8,303.17
  4. Step 4: Simplify right side
    11,403.43x = 142,026,758.25
  5. Step 5: Solve for x
    x = 142,026,758.25/11,403.43
  6. Step 6: Final answer
    x = 12,454.74

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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.