Home / 10,205.19-15,299.28-7,091.25

Finding the Fourth Proportional to 10,205.19, 15,299.28 and 7,091.25

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Solution

The fourth proportional to 10,205.19, 15,299.28 and 7,091.25 is: 10,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.19 : 15,299.28 = 7,091.25 : x
  2. Step 2: Convert to fraction form
    10,205.19/15,299.28 = 7,091.25/x
  3. Step 3: Cross multiply
    10,205.19x = 15,299.28 × 7,091.25
  4. Step 4: Simplify right side
    10,205.19x = 108,490,961.93
  5. Step 5: Solve for x
    x = 108,490,961.93/10,205.19
  6. Step 6: Final answer
    x = 10,630.96

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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.