Home / 13,277.02-19,918.50-3,916.93

Finding the Fourth Proportional to 13,277.02, 19,918.50 and 3,916.93

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Solution

The fourth proportional to 13,277.02, 19,918.50 and 3,916.93 is: 5,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.02 : 19,918.50 = 3,916.93 : x
  2. Step 2: Convert to fraction form
    13,277.02/19,918.50 = 3,916.93/x
  3. Step 3: Cross multiply
    13,277.02x = 19,918.50 × 3,916.93
  4. Step 4: Simplify right side
    13,277.02x = 78,019,370.21
  5. Step 5: Solve for x
    x = 78,019,370.21/13,277.02
  6. Step 6: Final answer
    x = 5,876.27

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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.