Home / 21,639.36-32,455.79-6,846.36

Finding the Fourth Proportional to 21,639.36, 32,455.79 and 6,846.36

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Solution

The fourth proportional to 21,639.36, 32,455.79 and 6,846.36 is: 10,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.36 : 32,455.79 = 6,846.36 : x
  2. Step 2: Convert to fraction form
    21,639.36/32,455.79 = 6,846.36/x
  3. Step 3: Cross multiply
    21,639.36x = 32,455.79 × 6,846.36
  4. Step 4: Simplify right side
    21,639.36x = 222,203,892.16
  5. Step 5: Solve for x
    x = 222,203,892.16/21,639.36
  6. Step 6: Final answer
    x = 10,268.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.