Home / 18,142.72-27,212.02-6,294.31

Finding the Fourth Proportional to 18,142.72, 27,212.02 and 6,294.31

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Solution

The fourth proportional to 18,142.72, 27,212.02 and 6,294.31 is: 9,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.72 : 27,212.02 = 6,294.31 : x
  2. Step 2: Convert to fraction form
    18,142.72/27,212.02 = 6,294.31/x
  3. Step 3: Cross multiply
    18,142.72x = 27,212.02 × 6,294.31
  4. Step 4: Simplify right side
    18,142.72x = 171,280,805.84
  5. Step 5: Solve for x
    x = 171,280,805.84/18,142.72
  6. Step 6: Final answer
    x = 9,440.75

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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.