Home / 11,284.29-16,913.83-9,971.18

Finding the Fourth Proportional to 11,284.29, 16,913.83 and 9,971.18

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Solution

The fourth proportional to 11,284.29, 16,913.83 and 9,971.18 is: 14,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.29 : 16,913.83 = 9,971.18 : x
  2. Step 2: Convert to fraction form
    11,284.29/16,913.83 = 9,971.18/x
  3. Step 3: Cross multiply
    11,284.29x = 16,913.83 × 9,971.18
  4. Step 4: Simplify right side
    11,284.29x = 168,650,708.99
  5. Step 5: Solve for x
    x = 168,650,708.99/11,284.29
  6. Step 6: Final answer
    x = 14,945.62

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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.