Home / 21,617.36-32,382.76-9,914.48

Finding the Fourth Proportional to 21,617.36, 32,382.76 and 9,914.48

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Solution

The fourth proportional to 21,617.36, 32,382.76 and 9,914.48 is: 14,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.36 : 32,382.76 = 9,914.48 : x
  2. Step 2: Convert to fraction form
    21,617.36/32,382.76 = 9,914.48/x
  3. Step 3: Cross multiply
    21,617.36x = 32,382.76 × 9,914.48
  4. Step 4: Simplify right side
    21,617.36x = 321,058,226.36
  5. Step 5: Solve for x
    x = 321,058,226.36/21,617.36
  6. Step 6: Final answer
    x = 14,851.87

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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.