Home / 13,939.76-19,235.58-8,273.53

Finding the Fourth Proportional to 13,939.76, 19,235.58 and 8,273.53

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Solution

The fourth proportional to 13,939.76, 19,235.58 and 8,273.53 is: 11,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.76 : 19,235.58 = 8,273.53 : x
  2. Step 2: Convert to fraction form
    13,939.76/19,235.58 = 8,273.53/x
  3. Step 3: Cross multiply
    13,939.76x = 19,235.58 × 8,273.53
  4. Step 4: Simplify right side
    13,939.76x = 159,146,052.02
  5. Step 5: Solve for x
    x = 159,146,052.02/13,939.76
  6. Step 6: Final answer
    x = 11,416.70

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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.