Home / 11,789.23-16,269.57-6,484.45

Finding the Fourth Proportional to 11,789.23, 16,269.57 and 6,484.45

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Solution

The fourth proportional to 11,789.23, 16,269.57 and 6,484.45 is: 8,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.23 : 16,269.57 = 6,484.45 : x
  2. Step 2: Convert to fraction form
    11,789.23/16,269.57 = 6,484.45/x
  3. Step 3: Cross multiply
    11,789.23x = 16,269.57 × 6,484.45
  4. Step 4: Simplify right side
    11,789.23x = 105,499,213.19
  5. Step 5: Solve for x
    x = 105,499,213.19/11,789.23
  6. Step 6: Final answer
    x = 8,948.78

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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.