Home / 14,718.16-20,311.19-8,003.85

Finding the Fourth Proportional to 14,718.16, 20,311.19 and 8,003.85

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Solution

The fourth proportional to 14,718.16, 20,311.19 and 8,003.85 is: 11,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.16 : 20,311.19 = 8,003.85 : x
  2. Step 2: Convert to fraction form
    14,718.16/20,311.19 = 8,003.85/x
  3. Step 3: Cross multiply
    14,718.16x = 20,311.19 × 8,003.85
  4. Step 4: Simplify right side
    14,718.16x = 162,567,687.31
  5. Step 5: Solve for x
    x = 162,567,687.31/14,718.16
  6. Step 6: Final answer
    x = 11,045.38

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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.