Home / 10,206.41-14,083.13-6,422.96

Finding the Fourth Proportional to 10,206.41, 14,083.13 and 6,422.96

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Solution

The fourth proportional to 10,206.41, 14,083.13 and 6,422.96 is: 8,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.41 : 14,083.13 = 6,422.96 : x
  2. Step 2: Convert to fraction form
    10,206.41/14,083.13 = 6,422.96/x
  3. Step 3: Cross multiply
    10,206.41x = 14,083.13 × 6,422.96
  4. Step 4: Simplify right side
    10,206.41x = 90,455,431.93
  5. Step 5: Solve for x
    x = 90,455,431.93/10,206.41
  6. Step 6: Final answer
    x = 8,862.61

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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.