Home / 10,396.06-14,348.19-6,620.86

Finding the Fourth Proportional to 10,396.06, 14,348.19 and 6,620.86

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Solution

The fourth proportional to 10,396.06, 14,348.19 and 6,620.86 is: 9,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.06 : 14,348.19 = 6,620.86 : x
  2. Step 2: Convert to fraction form
    10,396.06/14,348.19 = 6,620.86/x
  3. Step 3: Cross multiply
    10,396.06x = 14,348.19 × 6,620.86
  4. Step 4: Simplify right side
    10,396.06x = 94,997,282.06
  5. Step 5: Solve for x
    x = 94,997,282.06/10,396.06
  6. Step 6: Final answer
    x = 9,137.81

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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.