Home / 21,900.36-32,851.26-6,318.12

Finding the Fourth Proportional to 21,900.36, 32,851.26 and 6,318.12

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Solution

The fourth proportional to 21,900.36, 32,851.26 and 6,318.12 is: 9,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.36 : 32,851.26 = 6,318.12 : x
  2. Step 2: Convert to fraction form
    21,900.36/32,851.26 = 6,318.12/x
  3. Step 3: Cross multiply
    21,900.36x = 32,851.26 × 6,318.12
  4. Step 4: Simplify right side
    21,900.36x = 207,558,202.83
  5. Step 5: Solve for x
    x = 207,558,202.83/21,900.36
  6. Step 6: Final answer
    x = 9,477.39

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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.