Home / 19,278.86-26,605.02-11,321.24

Finding the Fourth Proportional to 19,278.86, 26,605.02 and 11,321.24

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Solution

The fourth proportional to 19,278.86, 26,605.02 and 11,321.24 is: 15,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.86 : 26,605.02 = 11,321.24 : x
  2. Step 2: Convert to fraction form
    19,278.86/26,605.02 = 11,321.24/x
  3. Step 3: Cross multiply
    19,278.86x = 26,605.02 × 11,321.24
  4. Step 4: Simplify right side
    19,278.86x = 301,201,816.62
  5. Step 5: Solve for x
    x = 301,201,816.62/19,278.86
  6. Step 6: Final answer
    x = 15,623.42

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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.