Home / 18,269.67-27,412.96-9,939.76

Finding the Fourth Proportional to 18,269.67, 27,412.96 and 9,939.76

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Solution

The fourth proportional to 18,269.67, 27,412.96 and 9,939.76 is: 14,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.67 : 27,412.96 = 9,939.76 : x
  2. Step 2: Convert to fraction form
    18,269.67/27,412.96 = 9,939.76/x
  3. Step 3: Cross multiply
    18,269.67x = 27,412.96 × 9,939.76
  4. Step 4: Simplify right side
    18,269.67x = 272,478,357.69
  5. Step 5: Solve for x
    x = 272,478,357.69/18,269.67
  6. Step 6: Final answer
    x = 14,914.25

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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.