Home / 14,223.58-21,319.48-5,330.36

Finding the Fourth Proportional to 14,223.58, 21,319.48 and 5,330.36

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Solution

The fourth proportional to 14,223.58, 21,319.48 and 5,330.36 is: 7,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.58 : 21,319.48 = 5,330.36 : x
  2. Step 2: Convert to fraction form
    14,223.58/21,319.48 = 5,330.36/x
  3. Step 3: Cross multiply
    14,223.58x = 21,319.48 × 5,330.36
  4. Step 4: Simplify right side
    14,223.58x = 113,640,503.41
  5. Step 5: Solve for x
    x = 113,640,503.41/14,223.58
  6. Step 6: Final answer
    x = 7,989.59

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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.