Home / 21,631.65-29,844.67-12,069.97

Finding the Fourth Proportional to 21,631.65, 29,844.67 and 12,069.97

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Solution

The fourth proportional to 21,631.65, 29,844.67 and 12,069.97 is: 16,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.65 : 29,844.67 = 12,069.97 : x
  2. Step 2: Convert to fraction form
    21,631.65/29,844.67 = 12,069.97/x
  3. Step 3: Cross multiply
    21,631.65x = 29,844.67 × 12,069.97
  4. Step 4: Simplify right side
    21,631.65x = 360,224,271.56
  5. Step 5: Solve for x
    x = 360,224,271.56/21,631.65
  6. Step 6: Final answer
    x = 16,652.65

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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.