Home / 14,658.15-21,984.93-4,128.96

Finding the Fourth Proportional to 14,658.15, 21,984.93 and 4,128.96

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Solution

The fourth proportional to 14,658.15, 21,984.93 and 4,128.96 is: 6,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.15 : 21,984.93 = 4,128.96 : x
  2. Step 2: Convert to fraction form
    14,658.15/21,984.93 = 4,128.96/x
  3. Step 3: Cross multiply
    14,658.15x = 21,984.93 × 4,128.96
  4. Step 4: Simplify right side
    14,658.15x = 90,774,896.57
  5. Step 5: Solve for x
    x = 90,774,896.57/14,658.15
  6. Step 6: Final answer
    x = 6,192.79

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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.