Home / 9,819.44-13,535.06-6,631.71

Finding the Fourth Proportional to 9,819.44, 13,535.06 and 6,631.71

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Solution

The fourth proportional to 9,819.44, 13,535.06 and 6,631.71 is: 9,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.44 : 13,535.06 = 6,631.71 : x
  2. Step 2: Convert to fraction form
    9,819.44/13,535.06 = 6,631.71/x
  3. Step 3: Cross multiply
    9,819.44x = 13,535.06 × 6,631.71
  4. Step 4: Simplify right side
    9,819.44x = 89,760,612.57
  5. Step 5: Solve for x
    x = 89,760,612.57/9,819.44
  6. Step 6: Final answer
    x = 9,141.11

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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.