Home / 14,222.04-21,309.44-8,658.54

Finding the Fourth Proportional to 14,222.04, 21,309.44 and 8,658.54

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Solution

The fourth proportional to 14,222.04, 21,309.44 and 8,658.54 is: 12,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.04 : 21,309.44 = 8,658.54 : x
  2. Step 2: Convert to fraction form
    14,222.04/21,309.44 = 8,658.54/x
  3. Step 3: Cross multiply
    14,222.04x = 21,309.44 × 8,658.54
  4. Step 4: Simplify right side
    14,222.04x = 184,508,638.62
  5. Step 5: Solve for x
    x = 184,508,638.62/14,222.04
  6. Step 6: Final answer
    x = 12,973.43

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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.