Home / 14,390.60-21,537.30-13,224.20

Finding the Fourth Proportional to 14,390.60, 21,537.30 and 13,224.20

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Solution

The fourth proportional to 14,390.60, 21,537.30 and 13,224.20 is: 19,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.60 : 21,537.30 = 13,224.20 : x
  2. Step 2: Convert to fraction form
    14,390.60/21,537.30 = 13,224.20/x
  3. Step 3: Cross multiply
    14,390.60x = 21,537.30 × 13,224.20
  4. Step 4: Simplify right side
    14,390.60x = 284,813,562.66
  5. Step 5: Solve for x
    x = 284,813,562.66/14,390.60
  6. Step 6: Final answer
    x = 19,791.64

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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.