Home / 12,503.86-17,255.28-6,761.27

Finding the Fourth Proportional to 12,503.86, 17,255.28 and 6,761.27

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Solution

The fourth proportional to 12,503.86, 17,255.28 and 6,761.27 is: 9,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.86 : 17,255.28 = 6,761.27 : x
  2. Step 2: Convert to fraction form
    12,503.86/17,255.28 = 6,761.27/x
  3. Step 3: Cross multiply
    12,503.86x = 17,255.28 × 6,761.27
  4. Step 4: Simplify right side
    12,503.86x = 116,667,637.47
  5. Step 5: Solve for x
    x = 116,667,637.47/12,503.86
  6. Step 6: Final answer
    x = 9,330.53

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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.