Home / 9,439.24-13,029.78-6,294.28

Finding the Fourth Proportional to 9,439.24, 13,029.78 and 6,294.28

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Solution

The fourth proportional to 9,439.24, 13,029.78 and 6,294.28 is: 8,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.24 : 13,029.78 = 6,294.28 : x
  2. Step 2: Convert to fraction form
    9,439.24/13,029.78 = 6,294.28/x
  3. Step 3: Cross multiply
    9,439.24x = 13,029.78 × 6,294.28
  4. Step 4: Simplify right side
    9,439.24x = 82,013,083.66
  5. Step 5: Solve for x
    x = 82,013,083.66/9,439.24
  6. Step 6: Final answer
    x = 8,688.53

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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.