Home / 14,576.34-20,115.63-8,288.94

Finding the Fourth Proportional to 14,576.34, 20,115.63 and 8,288.94

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Solution

The fourth proportional to 14,576.34, 20,115.63 and 8,288.94 is: 11,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.34 : 20,115.63 = 8,288.94 : x
  2. Step 2: Convert to fraction form
    14,576.34/20,115.63 = 8,288.94/x
  3. Step 3: Cross multiply
    14,576.34x = 20,115.63 × 8,288.94
  4. Step 4: Simplify right side
    14,576.34x = 166,737,250.13
  5. Step 5: Solve for x
    x = 166,737,250.13/14,576.34
  6. Step 6: Final answer
    x = 11,438.90

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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.