Home / 10,722.74-14,796.18-6,245.55

Finding the Fourth Proportional to 10,722.74, 14,796.18 and 6,245.55

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Solution

The fourth proportional to 10,722.74, 14,796.18 and 6,245.55 is: 8,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.74 : 14,796.18 = 6,245.55 : x
  2. Step 2: Convert to fraction form
    10,722.74/14,796.18 = 6,245.55/x
  3. Step 3: Cross multiply
    10,722.74x = 14,796.18 × 6,245.55
  4. Step 4: Simplify right side
    10,722.74x = 92,410,282.00
  5. Step 5: Solve for x
    x = 92,410,282.00/10,722.74
  6. Step 6: Final answer
    x = 8,618.16

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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.