Home / 11,708.31-16,157.49-6,403.13

Finding the Fourth Proportional to 11,708.31, 16,157.49 and 6,403.13

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Solution

The fourth proportional to 11,708.31, 16,157.49 and 6,403.13 is: 8,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.31 : 16,157.49 = 6,403.13 : x
  2. Step 2: Convert to fraction form
    11,708.31/16,157.49 = 6,403.13/x
  3. Step 3: Cross multiply
    11,708.31x = 16,157.49 × 6,403.13
  4. Step 4: Simplify right side
    11,708.31x = 103,458,428.30
  5. Step 5: Solve for x
    x = 103,458,428.30/11,708.31
  6. Step 6: Final answer
    x = 8,836.33

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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.