Home / 10,666.23-15,999.03-4,092.18

Finding the Fourth Proportional to 10,666.23, 15,999.03 and 4,092.18

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Solution

The fourth proportional to 10,666.23, 15,999.03 and 4,092.18 is: 6,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.23 : 15,999.03 = 4,092.18 : x
  2. Step 2: Convert to fraction form
    10,666.23/15,999.03 = 4,092.18/x
  3. Step 3: Cross multiply
    10,666.23x = 15,999.03 × 4,092.18
  4. Step 4: Simplify right side
    10,666.23x = 65,470,910.59
  5. Step 5: Solve for x
    x = 65,470,910.59/10,666.23
  6. Step 6: Final answer
    x = 6,138.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.