Home / 13,073.42-19,618.70-7,804.50

Finding the Fourth Proportional to 13,073.42, 19,618.70 and 7,804.50

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Solution

The fourth proportional to 13,073.42, 19,618.70 and 7,804.50 is: 11,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.42 : 19,618.70 = 7,804.50 : x
  2. Step 2: Convert to fraction form
    13,073.42/19,618.70 = 7,804.50/x
  3. Step 3: Cross multiply
    13,073.42x = 19,618.70 × 7,804.50
  4. Step 4: Simplify right side
    13,073.42x = 153,114,105.13
  5. Step 5: Solve for x
    x = 153,114,105.13/13,073.42
  6. Step 6: Final answer
    x = 11,711.87

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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.