Home / 11,281.74-16,917.90-4,260.52

Finding the Fourth Proportional to 11,281.74, 16,917.90 and 4,260.52

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Solution

The fourth proportional to 11,281.74, 16,917.90 and 4,260.52 is: 6,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.74 : 16,917.90 = 4,260.52 : x
  2. Step 2: Convert to fraction form
    11,281.74/16,917.90 = 4,260.52/x
  3. Step 3: Cross multiply
    11,281.74x = 16,917.90 × 4,260.52
  4. Step 4: Simplify right side
    11,281.74x = 72,079,051.31
  5. Step 5: Solve for x
    x = 72,079,051.31/11,281.74
  6. Step 6: Final answer
    x = 6,389.00

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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.