Home / 10,091.79-13,928.72-5,901.39

Finding the Fourth Proportional to 10,091.79, 13,928.72 and 5,901.39

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Solution

The fourth proportional to 10,091.79, 13,928.72 and 5,901.39 is: 8,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.79 : 13,928.72 = 5,901.39 : x
  2. Step 2: Convert to fraction form
    10,091.79/13,928.72 = 5,901.39/x
  3. Step 3: Cross multiply
    10,091.79x = 13,928.72 × 5,901.39
  4. Step 4: Simplify right side
    10,091.79x = 82,198,779.41
  5. Step 5: Solve for x
    x = 82,198,779.41/10,091.79
  6. Step 6: Final answer
    x = 8,145.11

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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.