Home / 9,617.72-13,270.85-6,425.88

Finding the Fourth Proportional to 9,617.72, 13,270.85 and 6,425.88

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Solution

The fourth proportional to 9,617.72, 13,270.85 and 6,425.88 is: 8,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.72 : 13,270.85 = 6,425.88 : x
  2. Step 2: Convert to fraction form
    9,617.72/13,270.85 = 6,425.88/x
  3. Step 3: Cross multiply
    9,617.72x = 13,270.85 × 6,425.88
  4. Step 4: Simplify right side
    9,617.72x = 85,276,889.60
  5. Step 5: Solve for x
    x = 85,276,889.60/9,617.72
  6. Step 6: Final answer
    x = 8,866.64

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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.