Home / 10,104.27-13,945.28-6,389.07

Finding the Fourth Proportional to 10,104.27, 13,945.28 and 6,389.07

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Solution

The fourth proportional to 10,104.27, 13,945.28 and 6,389.07 is: 8,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.27 : 13,945.28 = 6,389.07 : x
  2. Step 2: Convert to fraction form
    10,104.27/13,945.28 = 6,389.07/x
  3. Step 3: Cross multiply
    10,104.27x = 13,945.28 × 6,389.07
  4. Step 4: Simplify right side
    10,104.27x = 89,097,338.14
  5. Step 5: Solve for x
    x = 89,097,338.14/10,104.27
  6. Step 6: Final answer
    x = 8,817.79

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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.