Home / 16,678.29-25,021.08-4,990.59

Finding the Fourth Proportional to 16,678.29, 25,021.08 and 4,990.59

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Solution

The fourth proportional to 16,678.29, 25,021.08 and 4,990.59 is: 7,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.29 : 25,021.08 = 4,990.59 : x
  2. Step 2: Convert to fraction form
    16,678.29/25,021.08 = 4,990.59/x
  3. Step 3: Cross multiply
    16,678.29x = 25,021.08 × 4,990.59
  4. Step 4: Simplify right side
    16,678.29x = 124,869,951.64
  5. Step 5: Solve for x
    x = 124,869,951.64/16,678.29
  6. Step 6: Final answer
    x = 7,486.98

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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.