Home / 12,022.47-16,663.73-11,330.32

Finding the Fourth Proportional to 12,022.47, 16,663.73 and 11,330.32

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Solution

The fourth proportional to 12,022.47, 16,663.73 and 11,330.32 is: 15,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.47 : 16,663.73 = 11,330.32 : x
  2. Step 2: Convert to fraction form
    12,022.47/16,663.73 = 11,330.32/x
  3. Step 3: Cross multiply
    12,022.47x = 16,663.73 × 11,330.32
  4. Step 4: Simplify right side
    12,022.47x = 188,805,393.29
  5. Step 5: Solve for x
    x = 188,805,393.29/12,022.47
  6. Step 6: Final answer
    x = 15,704.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.