Home / 9,320.56-12,867.60-7,163.08

Finding the Fourth Proportional to 9,320.56, 12,867.60 and 7,163.08

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Solution

The fourth proportional to 9,320.56, 12,867.60 and 7,163.08 is: 9,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.56 : 12,867.60 = 7,163.08 : x
  2. Step 2: Convert to fraction form
    9,320.56/12,867.60 = 7,163.08/x
  3. Step 3: Cross multiply
    9,320.56x = 12,867.60 × 7,163.08
  4. Step 4: Simplify right side
    9,320.56x = 92,171,648.21
  5. Step 5: Solve for x
    x = 92,171,648.21/9,320.56
  6. Step 6: Final answer
    x = 9,889.07

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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.