Home / 11,387.27-17,056.90-7,225.09

Finding the Fourth Proportional to 11,387.27, 17,056.90 and 7,225.09

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Solution

The fourth proportional to 11,387.27, 17,056.90 and 7,225.09 is: 10,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.27 : 17,056.90 = 7,225.09 : x
  2. Step 2: Convert to fraction form
    11,387.27/17,056.90 = 7,225.09/x
  3. Step 3: Cross multiply
    11,387.27x = 17,056.90 × 7,225.09
  4. Step 4: Simplify right side
    11,387.27x = 123,237,637.62
  5. Step 5: Solve for x
    x = 123,237,637.62/11,387.27
  6. Step 6: Final answer
    x = 10,822.40

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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.