Home / 14,311.11-19,745.60-8,259.87

Finding the Fourth Proportional to 14,311.11, 19,745.60 and 8,259.87

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Solution

The fourth proportional to 14,311.11, 19,745.60 and 8,259.87 is: 11,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.11 : 19,745.60 = 8,259.87 : x
  2. Step 2: Convert to fraction form
    14,311.11/19,745.60 = 8,259.87/x
  3. Step 3: Cross multiply
    14,311.11x = 19,745.60 × 8,259.87
  4. Step 4: Simplify right side
    14,311.11x = 163,096,047.77
  5. Step 5: Solve for x
    x = 163,096,047.77/14,311.11
  6. Step 6: Final answer
    x = 11,396.46

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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.