Home / 9,631.08-13,285.97-6,279.51

Finding the Fourth Proportional to 9,631.08, 13,285.97 and 6,279.51

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Solution

The fourth proportional to 9,631.08, 13,285.97 and 6,279.51 is: 8,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.08 : 13,285.97 = 6,279.51 : x
  2. Step 2: Convert to fraction form
    9,631.08/13,285.97 = 6,279.51/x
  3. Step 3: Cross multiply
    9,631.08x = 13,285.97 × 6,279.51
  4. Step 4: Simplify right side
    9,631.08x = 83,429,350.08
  5. Step 5: Solve for x
    x = 83,429,350.08/9,631.08
  6. Step 6: Final answer
    x = 8,662.51

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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.