Home / 13,959.08-19,269.30-8,369

Finding the Fourth Proportional to 13,959.08, 19,269.30 and 8,369

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Solution

The fourth proportional to 13,959.08, 19,269.30 and 8,369 is: 11,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.08 : 19,269.30 = 8,369 : x
  2. Step 2: Convert to fraction form
    13,959.08/19,269.30 = 8,369/x
  3. Step 3: Cross multiply
    13,959.08x = 19,269.30 × 8,369
  4. Step 4: Simplify right side
    13,959.08x = 161,264,771.70
  5. Step 5: Solve for x
    x = 161,264,771.70/13,959.08
  6. Step 6: Final answer
    x = 11,552.68

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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.