Home / 18,932.45-28,398.67-6,446.04

Finding the Fourth Proportional to 18,932.45, 28,398.67 and 6,446.04

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Solution

The fourth proportional to 18,932.45, 28,398.67 and 6,446.04 is: 9,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.45 : 28,398.67 = 6,446.04 : x
  2. Step 2: Convert to fraction form
    18,932.45/28,398.67 = 6,446.04/x
  3. Step 3: Cross multiply
    18,932.45x = 28,398.67 × 6,446.04
  4. Step 4: Simplify right side
    18,932.45x = 183,058,962.77
  5. Step 5: Solve for x
    x = 183,058,962.77/18,932.45
  6. Step 6: Final answer
    x = 9,669.06

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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.