Home / 11,364.39-17,020.11-10,970.28

Finding the Fourth Proportional to 11,364.39, 17,020.11 and 10,970.28

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Solution

The fourth proportional to 11,364.39, 17,020.11 and 10,970.28 is: 16,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.39 : 17,020.11 = 10,970.28 : x
  2. Step 2: Convert to fraction form
    11,364.39/17,020.11 = 10,970.28/x
  3. Step 3: Cross multiply
    11,364.39x = 17,020.11 × 10,970.28
  4. Step 4: Simplify right side
    11,364.39x = 186,715,372.33
  5. Step 5: Solve for x
    x = 186,715,372.33/11,364.39
  6. Step 6: Final answer
    x = 16,429.86

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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.