Home / 18,388.30-27,538.04-10,466.82

Finding the Fourth Proportional to 18,388.30, 27,538.04 and 10,466.82

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Solution

The fourth proportional to 18,388.30, 27,538.04 and 10,466.82 is: 15,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.30 : 27,538.04 = 10,466.82 : x
  2. Step 2: Convert to fraction form
    18,388.30/27,538.04 = 10,466.82/x
  3. Step 3: Cross multiply
    18,388.30x = 27,538.04 × 10,466.82
  4. Step 4: Simplify right side
    18,388.30x = 288,235,707.83
  5. Step 5: Solve for x
    x = 288,235,707.83/18,388.30
  6. Step 6: Final answer
    x = 15,674.95

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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.