Home / 11,337.48-16,999.98-4,218.12

Finding the Fourth Proportional to 11,337.48, 16,999.98 and 4,218.12

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Solution

The fourth proportional to 11,337.48, 16,999.98 and 4,218.12 is: 6,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.48 : 16,999.98 = 4,218.12 : x
  2. Step 2: Convert to fraction form
    11,337.48/16,999.98 = 4,218.12/x
  3. Step 3: Cross multiply
    11,337.48x = 16,999.98 × 4,218.12
  4. Step 4: Simplify right side
    11,337.48x = 71,707,955.64
  5. Step 5: Solve for x
    x = 71,707,955.64/11,337.48
  6. Step 6: Final answer
    x = 6,324.86

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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.