Home / 14,347.10-21,520.67-4,486.43

Finding the Fourth Proportional to 14,347.10, 21,520.67 and 4,486.43

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Solution

The fourth proportional to 14,347.10, 21,520.67 and 4,486.43 is: 6,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.10 : 21,520.67 = 4,486.43 : x
  2. Step 2: Convert to fraction form
    14,347.10/21,520.67 = 4,486.43/x
  3. Step 3: Cross multiply
    14,347.10x = 21,520.67 × 4,486.43
  4. Step 4: Simplify right side
    14,347.10x = 96,550,979.51
  5. Step 5: Solve for x
    x = 96,550,979.51/14,347.10
  6. Step 6: Final answer
    x = 6,729.65

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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.