Home / 19,411.07-29,109.40-6,927.75

Finding the Fourth Proportional to 19,411.07, 29,109.40 and 6,927.75

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Solution

The fourth proportional to 19,411.07, 29,109.40 and 6,927.75 is: 10,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.07 : 29,109.40 = 6,927.75 : x
  2. Step 2: Convert to fraction form
    19,411.07/29,109.40 = 6,927.75/x
  3. Step 3: Cross multiply
    19,411.07x = 29,109.40 × 6,927.75
  4. Step 4: Simplify right side
    19,411.07x = 201,662,628.53
  5. Step 5: Solve for x
    x = 201,662,628.53/19,411.07
  6. Step 6: Final answer
    x = 10,389.06

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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.