Home / 19,384.40-29,081.01-6,905.75

Finding the Fourth Proportional to 19,384.40, 29,081.01 and 6,905.75

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Solution

The fourth proportional to 19,384.40, 29,081.01 and 6,905.75 is: 10,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.40 : 29,081.01 = 6,905.75 : x
  2. Step 2: Convert to fraction form
    19,384.40/29,081.01 = 6,905.75/x
  3. Step 3: Cross multiply
    19,384.40x = 29,081.01 × 6,905.75
  4. Step 4: Simplify right side
    19,384.40x = 200,826,065.30
  5. Step 5: Solve for x
    x = 200,826,065.30/19,384.40
  6. Step 6: Final answer
    x = 10,360.19

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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.