Home / 14,193.36-21,293.82-5,428.98

Finding the Fourth Proportional to 14,193.36, 21,293.82 and 5,428.98

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Solution

The fourth proportional to 14,193.36, 21,293.82 and 5,428.98 is: 8,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.36 : 21,293.82 = 5,428.98 : x
  2. Step 2: Convert to fraction form
    14,193.36/21,293.82 = 5,428.98/x
  3. Step 3: Cross multiply
    14,193.36x = 21,293.82 × 5,428.98
  4. Step 4: Simplify right side
    14,193.36x = 115,603,722.90
  5. Step 5: Solve for x
    x = 115,603,722.90/14,193.36
  6. Step 6: Final answer
    x = 8,144.92

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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.