Home / 9,620.52-13,272.30-6,477.72

Finding the Fourth Proportional to 9,620.52, 13,272.30 and 6,477.72

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Solution

The fourth proportional to 9,620.52, 13,272.30 and 6,477.72 is: 8,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.52 : 13,272.30 = 6,477.72 : x
  2. Step 2: Convert to fraction form
    9,620.52/13,272.30 = 6,477.72/x
  3. Step 3: Cross multiply
    9,620.52x = 13,272.30 × 6,477.72
  4. Step 4: Simplify right side
    9,620.52x = 85,974,243.16
  5. Step 5: Solve for x
    x = 85,974,243.16/9,620.52
  6. Step 6: Final answer
    x = 8,936.55

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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.