Home / 14,379.02-21,561.68-5,017.91

Finding the Fourth Proportional to 14,379.02, 21,561.68 and 5,017.91

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Solution

The fourth proportional to 14,379.02, 21,561.68 and 5,017.91 is: 7,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.02 : 21,561.68 = 5,017.91 : x
  2. Step 2: Convert to fraction form
    14,379.02/21,561.68 = 5,017.91/x
  3. Step 3: Cross multiply
    14,379.02x = 21,561.68 × 5,017.91
  4. Step 4: Simplify right side
    14,379.02x = 108,194,436.79
  5. Step 5: Solve for x
    x = 108,194,436.79/14,379.02
  6. Step 6: Final answer
    x = 7,524.47

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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.