Home / 9,996.55-13,795.35-5,520.22

Finding the Fourth Proportional to 9,996.55, 13,795.35 and 5,520.22

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Solution

The fourth proportional to 9,996.55, 13,795.35 and 5,520.22 is: 7,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.55 : 13,795.35 = 5,520.22 : x
  2. Step 2: Convert to fraction form
    9,996.55/13,795.35 = 5,520.22/x
  3. Step 3: Cross multiply
    9,996.55x = 13,795.35 × 5,520.22
  4. Step 4: Simplify right side
    9,996.55x = 76,153,366.98
  5. Step 5: Solve for x
    x = 76,153,366.98/9,996.55
  6. Step 6: Final answer
    x = 7,617.96

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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.