Home / 19,370.75-29,068.88-6,890.57

Finding the Fourth Proportional to 19,370.75, 29,068.88 and 6,890.57

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Solution

The fourth proportional to 19,370.75, 29,068.88 and 6,890.57 is: 10,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.75 : 29,068.88 = 6,890.57 : x
  2. Step 2: Convert to fraction form
    19,370.75/29,068.88 = 6,890.57/x
  3. Step 3: Cross multiply
    19,370.75x = 29,068.88 × 6,890.57
  4. Step 4: Simplify right side
    19,370.75x = 200,301,081.67
  5. Step 5: Solve for x
    x = 200,301,081.67/19,370.75
  6. Step 6: Final answer
    x = 10,340.39

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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.