Home / 10,163.80-14,021.30-6,579.91

Finding the Fourth Proportional to 10,163.80, 14,021.30 and 6,579.91

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Solution

The fourth proportional to 10,163.80, 14,021.30 and 6,579.91 is: 9,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.80 : 14,021.30 = 6,579.91 : x
  2. Step 2: Convert to fraction form
    10,163.80/14,021.30 = 6,579.91/x
  3. Step 3: Cross multiply
    10,163.80x = 14,021.30 × 6,579.91
  4. Step 4: Simplify right side
    10,163.80x = 92,258,892.08
  5. Step 5: Solve for x
    x = 92,258,892.08/10,163.80
  6. Step 6: Final answer
    x = 9,077.20

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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.