Home / 22,664.98-31,276.95-12,455.98

Finding the Fourth Proportional to 22,664.98, 31,276.95 and 12,455.98

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Solution

The fourth proportional to 22,664.98, 31,276.95 and 12,455.98 is: 17,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.98 : 31,276.95 = 12,455.98 : x
  2. Step 2: Convert to fraction form
    22,664.98/31,276.95 = 12,455.98/x
  3. Step 3: Cross multiply
    22,664.98x = 31,276.95 × 12,455.98
  4. Step 4: Simplify right side
    22,664.98x = 389,585,063.66
  5. Step 5: Solve for x
    x = 389,585,063.66/22,664.98
  6. Step 6: Final answer
    x = 17,188.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.