Home / 9,279.13-13,921.76-6,171.35

Finding the Fourth Proportional to 9,279.13, 13,921.76 and 6,171.35

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Solution

The fourth proportional to 9,279.13, 13,921.76 and 6,171.35 is: 9,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.13 : 13,921.76 = 6,171.35 : x
  2. Step 2: Convert to fraction form
    9,279.13/13,921.76 = 6,171.35/x
  3. Step 3: Cross multiply
    9,279.13x = 13,921.76 × 6,171.35
  4. Step 4: Simplify right side
    9,279.13x = 85,916,022.72
  5. Step 5: Solve for x
    x = 85,916,022.72/9,279.13
  6. Step 6: Final answer
    x = 9,259.07

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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.