Home / 14,243.11-21,341.54-8,679.56

Finding the Fourth Proportional to 14,243.11, 21,341.54 and 8,679.56

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Solution

The fourth proportional to 14,243.11, 21,341.54 and 8,679.56 is: 13,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.11 : 21,341.54 = 8,679.56 : x
  2. Step 2: Convert to fraction form
    14,243.11/21,341.54 = 8,679.56/x
  3. Step 3: Cross multiply
    14,243.11x = 21,341.54 × 8,679.56
  4. Step 4: Simplify right side
    14,243.11x = 185,235,091.91
  5. Step 5: Solve for x
    x = 185,235,091.91/14,243.11
  6. Step 6: Final answer
    x = 13,005.24

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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.