Home / 14,168.79-21,235.91-6,369.03

Finding the Fourth Proportional to 14,168.79, 21,235.91 and 6,369.03

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Solution

The fourth proportional to 14,168.79, 21,235.91 and 6,369.03 is: 9,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.79 : 21,235.91 = 6,369.03 : x
  2. Step 2: Convert to fraction form
    14,168.79/21,235.91 = 6,369.03/x
  3. Step 3: Cross multiply
    14,168.79x = 21,235.91 × 6,369.03
  4. Step 4: Simplify right side
    14,168.79x = 135,252,116.02
  5. Step 5: Solve for x
    x = 135,252,116.02/14,168.79
  6. Step 6: Final answer
    x = 9,545.78

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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.