Home / 14,509.81-20,029.11-8,541.73

Finding the Fourth Proportional to 14,509.81, 20,029.11 and 8,541.73

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Solution

The fourth proportional to 14,509.81, 20,029.11 and 8,541.73 is: 11,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.81 : 20,029.11 = 8,541.73 : x
  2. Step 2: Convert to fraction form
    14,509.81/20,029.11 = 8,541.73/x
  3. Step 3: Cross multiply
    14,509.81x = 20,029.11 × 8,541.73
  4. Step 4: Simplify right side
    14,509.81x = 171,083,249.76
  5. Step 5: Solve for x
    x = 171,083,249.76/14,509.81
  6. Step 6: Final answer
    x = 11,790.87

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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.