Home / 14,647.23-21,971.12-4,786.47

Finding the Fourth Proportional to 14,647.23, 21,971.12 and 4,786.47

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Solution

The fourth proportional to 14,647.23, 21,971.12 and 4,786.47 is: 7,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.23 : 21,971.12 = 4,786.47 : x
  2. Step 2: Convert to fraction form
    14,647.23/21,971.12 = 4,786.47/x
  3. Step 3: Cross multiply
    14,647.23x = 21,971.12 × 4,786.47
  4. Step 4: Simplify right side
    14,647.23x = 105,164,082.81
  5. Step 5: Solve for x
    x = 105,164,082.81/14,647.23
  6. Step 6: Final answer
    x = 7,179.79

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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.