Home / 16,879.07-25,315.88-7,516.89

Finding the Fourth Proportional to 16,879.07, 25,315.88 and 7,516.89

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Solution

The fourth proportional to 16,879.07, 25,315.88 and 7,516.89 is: 11,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.07 : 25,315.88 = 7,516.89 : x
  2. Step 2: Convert to fraction form
    16,879.07/25,315.88 = 7,516.89/x
  3. Step 3: Cross multiply
    16,879.07x = 25,315.88 × 7,516.89
  4. Step 4: Simplify right side
    16,879.07x = 190,296,647.63
  5. Step 5: Solve for x
    x = 190,296,647.63/16,879.07
  6. Step 6: Final answer
    x = 11,274.12

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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.