Home / 9,639.73-13,305.05-6,276.69

Finding the Fourth Proportional to 9,639.73, 13,305.05 and 6,276.69

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Solution

The fourth proportional to 9,639.73, 13,305.05 and 6,276.69 is: 8,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.73 : 13,305.05 = 6,276.69 : x
  2. Step 2: Convert to fraction form
    9,639.73/13,305.05 = 6,276.69/x
  3. Step 3: Cross multiply
    9,639.73x = 13,305.05 × 6,276.69
  4. Step 4: Simplify right side
    9,639.73x = 83,511,674.28
  5. Step 5: Solve for x
    x = 83,511,674.28/9,639.73
  6. Step 6: Final answer
    x = 8,663.28

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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.