Home / 11,387.93-17,057.90-7,225.75

Finding the Fourth Proportional to 11,387.93, 17,057.90 and 7,225.75

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Solution

The fourth proportional to 11,387.93, 17,057.90 and 7,225.75 is: 10,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.93 : 17,057.90 = 7,225.75 : x
  2. Step 2: Convert to fraction form
    11,387.93/17,057.90 = 7,225.75/x
  3. Step 3: Cross multiply
    11,387.93x = 17,057.90 × 7,225.75
  4. Step 4: Simplify right side
    11,387.93x = 123,256,096.34
  5. Step 5: Solve for x
    x = 123,256,096.34/11,387.93
  6. Step 6: Final answer
    x = 10,823.40

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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.