Home / 11,110.37-16,668.79-6,490.13

Finding the Fourth Proportional to 11,110.37, 16,668.79 and 6,490.13

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Solution

The fourth proportional to 11,110.37, 16,668.79 and 6,490.13 is: 9,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.37 : 16,668.79 = 6,490.13 : x
  2. Step 2: Convert to fraction form
    11,110.37/16,668.79 = 6,490.13/x
  3. Step 3: Cross multiply
    11,110.37x = 16,668.79 × 6,490.13
  4. Step 4: Simplify right side
    11,110.37x = 108,182,514.47
  5. Step 5: Solve for x
    x = 108,182,514.47/11,110.37
  6. Step 6: Final answer
    x = 9,737.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.