Home / 9,655.20-13,330.32-6,635.28

Finding the Fourth Proportional to 9,655.20, 13,330.32 and 6,635.28

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Solution

The fourth proportional to 9,655.20, 13,330.32 and 6,635.28 is: 9,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.20 : 13,330.32 = 6,635.28 : x
  2. Step 2: Convert to fraction form
    9,655.20/13,330.32 = 6,635.28/x
  3. Step 3: Cross multiply
    9,655.20x = 13,330.32 × 6,635.28
  4. Step 4: Simplify right side
    9,655.20x = 88,450,405.69
  5. Step 5: Solve for x
    x = 88,450,405.69/9,655.20
  6. Step 6: Final answer
    x = 9,160.91

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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.