Home / 10,162.38-14,021.30-6,976.48

Finding the Fourth Proportional to 10,162.38, 14,021.30 and 6,976.48

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Solution

The fourth proportional to 10,162.38, 14,021.30 and 6,976.48 is: 9,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.38 : 14,021.30 = 6,976.48 : x
  2. Step 2: Convert to fraction form
    10,162.38/14,021.30 = 6,976.48/x
  3. Step 3: Cross multiply
    10,162.38x = 14,021.30 × 6,976.48
  4. Step 4: Simplify right side
    10,162.38x = 97,819,319.02
  5. Step 5: Solve for x
    x = 97,819,319.02/10,162.38
  6. Step 6: Final answer
    x = 9,625.63

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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.