Home / 10,091.68-13,930.32-5,901.28

Finding the Fourth Proportional to 10,091.68, 13,930.32 and 5,901.28

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Solution

The fourth proportional to 10,091.68, 13,930.32 and 5,901.28 is: 8,145.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.68 : 13,930.32 = 5,901.28 : x
  2. Step 2: Convert to fraction form
    10,091.68/13,930.32 = 5,901.28/x
  3. Step 3: Cross multiply
    10,091.68x = 13,930.32 × 5,901.28
  4. Step 4: Simplify right side
    10,091.68x = 82,206,718.81
  5. Step 5: Solve for x
    x = 82,206,718.81/10,091.68
  6. Step 6: Final answer
    x = 8,145.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.