Home / 18,048.30-24,914.24-13,305.90

Finding the Fourth Proportional to 18,048.30, 24,914.24 and 13,305.90

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Solution

The fourth proportional to 18,048.30, 24,914.24 and 13,305.90 is: 18,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.30 : 24,914.24 = 13,305.90 : x
  2. Step 2: Convert to fraction form
    18,048.30/24,914.24 = 13,305.90/x
  3. Step 3: Cross multiply
    18,048.30x = 24,914.24 × 13,305.90
  4. Step 4: Simplify right side
    18,048.30x = 331,506,319.49
  5. Step 5: Solve for x
    x = 331,506,319.49/18,048.30
  6. Step 6: Final answer
    x = 18,367.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.