Home / 10,207.89-14,089.85-6,174.72

Finding the Fourth Proportional to 10,207.89, 14,089.85 and 6,174.72

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Solution

The fourth proportional to 10,207.89, 14,089.85 and 6,174.72 is: 8,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.89 : 14,089.85 = 6,174.72 : x
  2. Step 2: Convert to fraction form
    10,207.89/14,089.85 = 6,174.72/x
  3. Step 3: Cross multiply
    10,207.89x = 14,089.85 × 6,174.72
  4. Step 4: Simplify right side
    10,207.89x = 87,000,847.72
  5. Step 5: Solve for x
    x = 87,000,847.72/10,207.89
  6. Step 6: Final answer
    x = 8,522.90

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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.