Home / 19,409.43-29,120.29-6,929.18

Finding the Fourth Proportional to 19,409.43, 29,120.29 and 6,929.18

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Solution

The fourth proportional to 19,409.43, 29,120.29 and 6,929.18 is: 10,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.43 : 29,120.29 = 6,929.18 : x
  2. Step 2: Convert to fraction form
    19,409.43/29,120.29 = 6,929.18/x
  3. Step 3: Cross multiply
    19,409.43x = 29,120.29 × 6,929.18
  4. Step 4: Simplify right side
    19,409.43x = 201,779,731.06
  5. Step 5: Solve for x
    x = 201,779,731.06/19,409.43
  6. Step 6: Final answer
    x = 10,395.96

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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.