Home / 12,591.03-18,961.49-10,967.19

Finding the Fourth Proportional to 12,591.03, 18,961.49 and 10,967.19

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Solution

The fourth proportional to 12,591.03, 18,961.49 and 10,967.19 is: 16,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.03 : 18,961.49 = 10,967.19 : x
  2. Step 2: Convert to fraction form
    12,591.03/18,961.49 = 10,967.19/x
  3. Step 3: Cross multiply
    12,591.03x = 18,961.49 × 10,967.19
  4. Step 4: Simplify right side
    12,591.03x = 207,954,263.51
  5. Step 5: Solve for x
    x = 207,954,263.51/12,591.03
  6. Step 6: Final answer
    x = 16,516.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.