Home / 9,622.64-13,276.22-5,643.92

Finding the Fourth Proportional to 9,622.64, 13,276.22 and 5,643.92

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Solution

The fourth proportional to 9,622.64, 13,276.22 and 5,643.92 is: 7,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.64 : 13,276.22 = 5,643.92 : x
  2. Step 2: Convert to fraction form
    9,622.64/13,276.22 = 5,643.92/x
  3. Step 3: Cross multiply
    9,622.64x = 13,276.22 × 5,643.92
  4. Step 4: Simplify right side
    9,622.64x = 74,929,923.58
  5. Step 5: Solve for x
    x = 74,929,923.58/9,622.64
  6. Step 6: Final answer
    x = 7,786.84

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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.