Home / 17,965.90-26,962.98-12,458.00

Finding the Fourth Proportional to 17,965.90, 26,962.98 and 12,458.00

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Solution

The fourth proportional to 17,965.90, 26,962.98 and 12,458.00 is: 18,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.90 : 26,962.98 = 12,458.00 : x
  2. Step 2: Convert to fraction form
    17,965.90/26,962.98 = 12,458.00/x
  3. Step 3: Cross multiply
    17,965.90x = 26,962.98 × 12,458.00
  4. Step 4: Simplify right side
    17,965.90x = 335,904,825.53
  5. Step 5: Solve for x
    x = 335,904,825.53/17,965.90
  6. Step 6: Final answer
    x = 18,696.80

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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.