Home / 14,504.40-21,763.80-5,739.60

Finding the Fourth Proportional to 14,504.40, 21,763.80 and 5,739.60

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Solution

The fourth proportional to 14,504.40, 21,763.80 and 5,739.60 is: 8,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.40 : 21,763.80 = 5,739.60 : x
  2. Step 2: Convert to fraction form
    14,504.40/21,763.80 = 5,739.60/x
  3. Step 3: Cross multiply
    14,504.40x = 21,763.80 × 5,739.60
  4. Step 4: Simplify right side
    14,504.40x = 124,915,506.48
  5. Step 5: Solve for x
    x = 124,915,506.48/14,504.40
  6. Step 6: Final answer
    x = 8,612.25

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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.