Home / 9,316.78-13,979.97-4,126.30

Finding the Fourth Proportional to 9,316.78, 13,979.97 and 4,126.30

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Solution

The fourth proportional to 9,316.78, 13,979.97 and 4,126.30 is: 6,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.78 : 13,979.97 = 4,126.30 : x
  2. Step 2: Convert to fraction form
    9,316.78/13,979.97 = 4,126.30/x
  3. Step 3: Cross multiply
    9,316.78x = 13,979.97 × 4,126.30
  4. Step 4: Simplify right side
    9,316.78x = 57,685,550.21
  5. Step 5: Solve for x
    x = 57,685,550.21/9,316.78
  6. Step 6: Final answer
    x = 6,191.58

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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.