Home / 10,269.48-14,160.78-8,388.66

Finding the Fourth Proportional to 10,269.48, 14,160.78 and 8,388.66

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Solution

The fourth proportional to 10,269.48, 14,160.78 and 8,388.66 is: 11,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.48 : 14,160.78 = 8,388.66 : x
  2. Step 2: Convert to fraction form
    10,269.48/14,160.78 = 8,388.66/x
  3. Step 3: Cross multiply
    10,269.48x = 14,160.78 × 8,388.66
  4. Step 4: Simplify right side
    10,269.48x = 118,789,968.75
  5. Step 5: Solve for x
    x = 118,789,968.75/10,269.48
  6. Step 6: Final answer
    x = 11,567.28

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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.