Home / 9,639.38-13,303.78-6,102.92

Finding the Fourth Proportional to 9,639.38, 13,303.78 and 6,102.92

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Solution

The fourth proportional to 9,639.38, 13,303.78 and 6,102.92 is: 8,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.38 : 13,303.78 = 6,102.92 : x
  2. Step 2: Convert to fraction form
    9,639.38/13,303.78 = 6,102.92/x
  3. Step 3: Cross multiply
    9,639.38x = 13,303.78 × 6,102.92
  4. Step 4: Simplify right side
    9,639.38x = 81,191,905.04
  5. Step 5: Solve for x
    x = 81,191,905.04/9,639.38
  6. Step 6: Final answer
    x = 8,422.94

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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.