Home / 12,112.86-16,715.36-6,735.27

Finding the Fourth Proportional to 12,112.86, 16,715.36 and 6,735.27

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Solution

The fourth proportional to 12,112.86, 16,715.36 and 6,735.27 is: 9,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.86 : 16,715.36 = 6,735.27 : x
  2. Step 2: Convert to fraction form
    12,112.86/16,715.36 = 6,735.27/x
  3. Step 3: Cross multiply
    12,112.86x = 16,715.36 × 6,735.27
  4. Step 4: Simplify right side
    12,112.86x = 112,582,542.27
  5. Step 5: Solve for x
    x = 112,582,542.27/12,112.86
  6. Step 6: Final answer
    x = 9,294.46

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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.