Home / 11,285.93-16,920.70-4,714.00

Finding the Fourth Proportional to 11,285.93, 16,920.70 and 4,714.00

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Solution

The fourth proportional to 11,285.93, 16,920.70 and 4,714.00 is: 7,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.93 : 16,920.70 = 4,714.00 : x
  2. Step 2: Convert to fraction form
    11,285.93/16,920.70 = 4,714.00/x
  3. Step 3: Cross multiply
    11,285.93x = 16,920.70 × 4,714.00
  4. Step 4: Simplify right side
    11,285.93x = 79,764,125.71
  5. Step 5: Solve for x
    x = 79,764,125.71/11,285.93
  6. Step 6: Final answer
    x = 7,067.57

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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.