Home / 14,915.76-22,357.23-6,145.89

Finding the Fourth Proportional to 14,915.76, 22,357.23 and 6,145.89

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Solution

The fourth proportional to 14,915.76, 22,357.23 and 6,145.89 is: 9,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.76 : 22,357.23 = 6,145.89 : x
  2. Step 2: Convert to fraction form
    14,915.76/22,357.23 = 6,145.89/x
  3. Step 3: Cross multiply
    14,915.76x = 22,357.23 × 6,145.89
  4. Step 4: Simplify right side
    14,915.76x = 137,405,076.28
  5. Step 5: Solve for x
    x = 137,405,076.28/14,915.76
  6. Step 6: Final answer
    x = 9,212.07

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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.