Home / 10,268.83-14,167.51-8,377.15

Finding the Fourth Proportional to 10,268.83, 14,167.51 and 8,377.15

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Solution

The fourth proportional to 10,268.83, 14,167.51 and 8,377.15 is: 11,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.83 : 14,167.51 = 8,377.15 : x
  2. Step 2: Convert to fraction form
    10,268.83/14,167.51 = 8,377.15/x
  3. Step 3: Cross multiply
    10,268.83x = 14,167.51 × 8,377.15
  4. Step 4: Simplify right side
    10,268.83x = 118,683,286.75
  5. Step 5: Solve for x
    x = 118,683,286.75/10,268.83
  6. Step 6: Final answer
    x = 11,557.63

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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.