Home / 19,810.09-29,714.91-4,817.29

Finding the Fourth Proportional to 19,810.09, 29,714.91 and 4,817.29

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Solution

The fourth proportional to 19,810.09, 29,714.91 and 4,817.29 is: 7,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.09 : 29,714.91 = 4,817.29 : x
  2. Step 2: Convert to fraction form
    19,810.09/29,714.91 = 4,817.29/x
  3. Step 3: Cross multiply
    19,810.09x = 29,714.91 × 4,817.29
  4. Step 4: Simplify right side
    19,810.09x = 143,145,338.79
  5. Step 5: Solve for x
    x = 143,145,338.79/19,810.09
  6. Step 6: Final answer
    x = 7,225.88

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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.