Home / 15,837.60-23,810.40-12,936.96

Finding the Fourth Proportional to 15,837.60, 23,810.40 and 12,936.96

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Solution

The fourth proportional to 15,837.60, 23,810.40 and 12,936.96 is: 19,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.60 : 23,810.40 = 12,936.96 : x
  2. Step 2: Convert to fraction form
    15,837.60/23,810.40 = 12,936.96/x
  3. Step 3: Cross multiply
    15,837.60x = 23,810.40 × 12,936.96
  4. Step 4: Simplify right side
    15,837.60x = 308,034,192.38
  5. Step 5: Solve for x
    x = 308,034,192.38/15,837.60
  6. Step 6: Final answer
    x = 19,449.55

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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.