Home / 18,330.10-27,495.25-6,643.01

Finding the Fourth Proportional to 18,330.10, 27,495.25 and 6,643.01

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Solution

The fourth proportional to 18,330.10, 27,495.25 and 6,643.01 is: 9,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.10 : 27,495.25 = 6,643.01 : x
  2. Step 2: Convert to fraction form
    18,330.10/27,495.25 = 6,643.01/x
  3. Step 3: Cross multiply
    18,330.10x = 27,495.25 × 6,643.01
  4. Step 4: Simplify right side
    18,330.10x = 182,651,272.83
  5. Step 5: Solve for x
    x = 182,651,272.83/18,330.10
  6. Step 6: Final answer
    x = 9,964.56

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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.