Home / 11,228.40-16,846.59-4,987.86

Finding the Fourth Proportional to 11,228.40, 16,846.59 and 4,987.86

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Solution

The fourth proportional to 11,228.40, 16,846.59 and 4,987.86 is: 7,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.40 : 16,846.59 = 4,987.86 : x
  2. Step 2: Convert to fraction form
    11,228.40/16,846.59 = 4,987.86/x
  3. Step 3: Cross multiply
    11,228.40x = 16,846.59 × 4,987.86
  4. Step 4: Simplify right side
    11,228.40x = 84,028,432.40
  5. Step 5: Solve for x
    x = 84,028,432.40/11,228.40
  6. Step 6: Final answer
    x = 7,483.56

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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.