Home / 9,996.77-13,795.45-5,520.53

Finding the Fourth Proportional to 9,996.77, 13,795.45 and 5,520.53

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Solution

The fourth proportional to 9,996.77, 13,795.45 and 5,520.53 is: 7,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.77 : 13,795.45 = 5,520.53 : x
  2. Step 2: Convert to fraction form
    9,996.77/13,795.45 = 5,520.53/x
  3. Step 3: Cross multiply
    9,996.77x = 13,795.45 × 5,520.53
  4. Step 4: Simplify right side
    9,996.77x = 76,158,216.28
  5. Step 5: Solve for x
    x = 76,158,216.28/9,996.77
  6. Step 6: Final answer
    x = 7,618.28

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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.