Home / 14,638.61-21,955.69-4,777.88

Finding the Fourth Proportional to 14,638.61, 21,955.69 and 4,777.88

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Solution

The fourth proportional to 14,638.61, 21,955.69 and 4,777.88 is: 7,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.61 : 21,955.69 = 4,777.88 : x
  2. Step 2: Convert to fraction form
    14,638.61/21,955.69 = 4,777.88/x
  3. Step 3: Cross multiply
    14,638.61x = 21,955.69 × 4,777.88
  4. Step 4: Simplify right side
    14,638.61x = 104,901,548.33
  5. Step 5: Solve for x
    x = 104,901,548.33/14,638.61
  6. Step 6: Final answer
    x = 7,166.09

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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.