Home / 11,703.80-16,151.24-6,398.60

Finding the Fourth Proportional to 11,703.80, 16,151.24 and 6,398.60

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Solution

The fourth proportional to 11,703.80, 16,151.24 and 6,398.60 is: 8,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.80 : 16,151.24 = 6,398.60 : x
  2. Step 2: Convert to fraction form
    11,703.80/16,151.24 = 6,398.60/x
  3. Step 3: Cross multiply
    11,703.80x = 16,151.24 × 6,398.60
  4. Step 4: Simplify right side
    11,703.80x = 103,345,324.26
  5. Step 5: Solve for x
    x = 103,345,324.26/11,703.80
  6. Step 6: Final answer
    x = 8,830.07

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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.