Home / 19,470.48-26,865.72-11,085.36

Finding the Fourth Proportional to 19,470.48, 26,865.72 and 11,085.36

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Solution

The fourth proportional to 19,470.48, 26,865.72 and 11,085.36 is: 15,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.48 : 26,865.72 = 11,085.36 : x
  2. Step 2: Convert to fraction form
    19,470.48/26,865.72 = 11,085.36/x
  3. Step 3: Cross multiply
    19,470.48x = 26,865.72 × 11,085.36
  4. Step 4: Simplify right side
    19,470.48x = 297,816,177.86
  5. Step 5: Solve for x
    x = 297,816,177.86/19,470.48
  6. Step 6: Final answer
    x = 15,295.78

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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.