Home / 10,393.26-14,342.68-5,677.54

Finding the Fourth Proportional to 10,393.26, 14,342.68 and 5,677.54

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Solution

The fourth proportional to 10,393.26, 14,342.68 and 5,677.54 is: 7,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.26 : 14,342.68 = 5,677.54 : x
  2. Step 2: Convert to fraction form
    10,393.26/14,342.68 = 5,677.54/x
  3. Step 3: Cross multiply
    10,393.26x = 14,342.68 × 5,677.54
  4. Step 4: Simplify right side
    10,393.26x = 81,431,139.41
  5. Step 5: Solve for x
    x = 81,431,139.41/10,393.26
  6. Step 6: Final answer
    x = 7,834.99

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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.