Home / 11,585.40-17,385.42-6,664.68

Finding the Fourth Proportional to 11,585.40, 17,385.42 and 6,664.68

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Solution

The fourth proportional to 11,585.40, 17,385.42 and 6,664.68 is: 10,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.40 : 17,385.42 = 6,664.68 : x
  2. Step 2: Convert to fraction form
    11,585.40/17,385.42 = 6,664.68/x
  3. Step 3: Cross multiply
    11,585.40x = 17,385.42 × 6,664.68
  4. Step 4: Simplify right side
    11,585.40x = 115,868,260.97
  5. Step 5: Solve for x
    x = 115,868,260.97/11,585.40
  6. Step 6: Final answer
    x = 10,001.23

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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.