Home / 13,772.08-19,006.14-7,804

Finding the Fourth Proportional to 13,772.08, 19,006.14 and 7,804

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Solution

The fourth proportional to 13,772.08, 19,006.14 and 7,804 is: 10,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.08 : 19,006.14 = 7,804 : x
  2. Step 2: Convert to fraction form
    13,772.08/19,006.14 = 7,804/x
  3. Step 3: Cross multiply
    13,772.08x = 19,006.14 × 7,804
  4. Step 4: Simplify right side
    13,772.08x = 148,323,916.56
  5. Step 5: Solve for x
    x = 148,323,916.56/13,772.08
  6. Step 6: Final answer
    x = 10,769.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.