Home / 10,695.21-14,759.87-5,979.50

Finding the Fourth Proportional to 10,695.21, 14,759.87 and 5,979.50

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Solution

The fourth proportional to 10,695.21, 14,759.87 and 5,979.50 is: 8,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.21 : 14,759.87 = 5,979.50 : x
  2. Step 2: Convert to fraction form
    10,695.21/14,759.87 = 5,979.50/x
  3. Step 3: Cross multiply
    10,695.21x = 14,759.87 × 5,979.50
  4. Step 4: Simplify right side
    10,695.21x = 88,256,538.97
  5. Step 5: Solve for x
    x = 88,256,538.97/10,695.21
  6. Step 6: Final answer
    x = 8,251.97

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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.