Home / 9,932.20-13,705.62-5,455.72

Finding the Fourth Proportional to 9,932.20, 13,705.62 and 5,455.72

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Solution

The fourth proportional to 9,932.20, 13,705.62 and 5,455.72 is: 7,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.20 : 13,705.62 = 5,455.72 : x
  2. Step 2: Convert to fraction form
    9,932.20/13,705.62 = 5,455.72/x
  3. Step 3: Cross multiply
    9,932.20x = 13,705.62 × 5,455.72
  4. Step 4: Simplify right side
    9,932.20x = 74,774,025.15
  5. Step 5: Solve for x
    x = 74,774,025.15/9,932.20
  6. Step 6: Final answer
    x = 7,528.45

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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.