Home / 14,252.76-21,369.42-8,406.18

Finding the Fourth Proportional to 14,252.76, 21,369.42 and 8,406.18

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Solution

The fourth proportional to 14,252.76, 21,369.42 and 8,406.18 is: 12,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.76 : 21,369.42 = 8,406.18 : x
  2. Step 2: Convert to fraction form
    14,252.76/21,369.42 = 8,406.18/x
  3. Step 3: Cross multiply
    14,252.76x = 21,369.42 × 8,406.18
  4. Step 4: Simplify right side
    14,252.76x = 179,635,191.02
  5. Step 5: Solve for x
    x = 179,635,191.02/14,252.76
  6. Step 6: Final answer
    x = 12,603.54

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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.