Home / 14,193.24-21,289.86-5,429.04

Finding the Fourth Proportional to 14,193.24, 21,289.86 and 5,429.04

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Solution

The fourth proportional to 14,193.24, 21,289.86 and 5,429.04 is: 8,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.24 : 21,289.86 = 5,429.04 : x
  2. Step 2: Convert to fraction form
    14,193.24/21,289.86 = 5,429.04/x
  3. Step 3: Cross multiply
    14,193.24x = 21,289.86 × 5,429.04
  4. Step 4: Simplify right side
    14,193.24x = 115,583,501.53
  5. Step 5: Solve for x
    x = 115,583,501.53/14,193.24
  6. Step 6: Final answer
    x = 8,143.56

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Similar ratio
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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.