Home / 11,522.16-17,284.65-4,127.40

Finding the Fourth Proportional to 11,522.16, 17,284.65 and 4,127.40

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Solution

The fourth proportional to 11,522.16, 17,284.65 and 4,127.40 is: 6,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.16 : 17,284.65 = 4,127.40 : x
  2. Step 2: Convert to fraction form
    11,522.16/17,284.65 = 4,127.40/x
  3. Step 3: Cross multiply
    11,522.16x = 17,284.65 × 4,127.40
  4. Step 4: Simplify right side
    11,522.16x = 71,340,664.41
  5. Step 5: Solve for x
    x = 71,340,664.41/11,522.16
  6. Step 6: Final answer
    x = 6,191.61

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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.