Home / 10,146.09-13,997.29-6,366.68

Finding the Fourth Proportional to 10,146.09, 13,997.29 and 6,366.68

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Solution

The fourth proportional to 10,146.09, 13,997.29 and 6,366.68 is: 8,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.09 : 13,997.29 = 6,366.68 : x
  2. Step 2: Convert to fraction form
    10,146.09/13,997.29 = 6,366.68/x
  3. Step 3: Cross multiply
    10,146.09x = 13,997.29 × 6,366.68
  4. Step 4: Simplify right side
    10,146.09x = 89,116,266.30
  5. Step 5: Solve for x
    x = 89,116,266.30/10,146.09
  6. Step 6: Final answer
    x = 8,783.31

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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.