Home / 10,857.18-16,291.92-6,174.26

Finding the Fourth Proportional to 10,857.18, 16,291.92 and 6,174.26

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Solution

The fourth proportional to 10,857.18, 16,291.92 and 6,174.26 is: 9,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.18 : 16,291.92 = 6,174.26 : x
  2. Step 2: Convert to fraction form
    10,857.18/16,291.92 = 6,174.26/x
  3. Step 3: Cross multiply
    10,857.18x = 16,291.92 × 6,174.26
  4. Step 4: Simplify right side
    10,857.18x = 100,590,549.98
  5. Step 5: Solve for x
    x = 100,590,549.98/10,857.18
  6. Step 6: Final answer
    x = 9,264.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.