Home / 15,367.40-21,207.44-8,652.50

Finding the Fourth Proportional to 15,367.40, 21,207.44 and 8,652.50

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Solution

The fourth proportional to 15,367.40, 21,207.44 and 8,652.50 is: 11,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.40 : 21,207.44 = 8,652.50 : x
  2. Step 2: Convert to fraction form
    15,367.40/21,207.44 = 8,652.50/x
  3. Step 3: Cross multiply
    15,367.40x = 21,207.44 × 8,652.50
  4. Step 4: Simplify right side
    15,367.40x = 183,497,374.60
  5. Step 5: Solve for x
    x = 183,497,374.60/15,367.40
  6. Step 6: Final answer
    x = 11,940.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.