Home / 9,899.74-14,849.61-3,979.32

Finding the Fourth Proportional to 9,899.74, 14,849.61 and 3,979.32

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Solution

The fourth proportional to 9,899.74, 14,849.61 and 3,979.32 is: 5,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.74 : 14,849.61 = 3,979.32 : x
  2. Step 2: Convert to fraction form
    9,899.74/14,849.61 = 3,979.32/x
  3. Step 3: Cross multiply
    9,899.74x = 14,849.61 × 3,979.32
  4. Step 4: Simplify right side
    9,899.74x = 59,091,350.07
  5. Step 5: Solve for x
    x = 59,091,350.07/9,899.74
  6. Step 6: Final answer
    x = 5,968.98

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Double scale
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Similar ratio
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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.