Home / 9,471.30-13,056.75-6,629.91

Finding the Fourth Proportional to 9,471.30, 13,056.75 and 6,629.91

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Solution

The fourth proportional to 9,471.30, 13,056.75 and 6,629.91 is: 9,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.30 : 13,056.75 = 6,629.91 : x
  2. Step 2: Convert to fraction form
    9,471.30/13,056.75 = 6,629.91/x
  3. Step 3: Cross multiply
    9,471.30x = 13,056.75 × 6,629.91
  4. Step 4: Simplify right side
    9,471.30x = 86,565,077.39
  5. Step 5: Solve for x
    x = 86,565,077.39/9,471.30
  6. Step 6: Final answer
    x = 9,139.73

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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.