Home / 15,259.98-21,046.56-9,661.26

Finding the Fourth Proportional to 15,259.98, 21,046.56 and 9,661.26

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Solution

The fourth proportional to 15,259.98, 21,046.56 and 9,661.26 is: 13,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.98 : 21,046.56 = 9,661.26 : x
  2. Step 2: Convert to fraction form
    15,259.98/21,046.56 = 9,661.26/x
  3. Step 3: Cross multiply
    15,259.98x = 21,046.56 × 9,661.26
  4. Step 4: Simplify right side
    15,259.98x = 203,336,288.27
  5. Step 5: Solve for x
    x = 203,336,288.27/15,259.98
  6. Step 6: Final answer
    x = 13,324.81

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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.