Home / 15,942.09-23,908.26-12,814.68

Finding the Fourth Proportional to 15,942.09, 23,908.26 and 12,814.68

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Solution

The fourth proportional to 15,942.09, 23,908.26 and 12,814.68 is: 19,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.09 : 23,908.26 = 12,814.68 : x
  2. Step 2: Convert to fraction form
    15,942.09/23,908.26 = 12,814.68/x
  3. Step 3: Cross multiply
    15,942.09x = 23,908.26 × 12,814.68
  4. Step 4: Simplify right side
    15,942.09x = 306,376,701.26
  5. Step 5: Solve for x
    x = 306,376,701.26/15,942.09
  6. Step 6: Final answer
    x = 19,218.10

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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.