Home / 10,619.81-15,887.79-9,373.22

Finding the Fourth Proportional to 10,619.81, 15,887.79 and 9,373.22

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Solution

The fourth proportional to 10,619.81, 15,887.79 and 9,373.22 is: 14,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.81 : 15,887.79 = 9,373.22 : x
  2. Step 2: Convert to fraction form
    10,619.81/15,887.79 = 9,373.22/x
  3. Step 3: Cross multiply
    10,619.81x = 15,887.79 × 9,373.22
  4. Step 4: Simplify right side
    10,619.81x = 148,919,671.54
  5. Step 5: Solve for x
    x = 148,919,671.54/10,619.81
  6. Step 6: Final answer
    x = 14,022.83

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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.