Home / 13,276.99-19,901.54-6,689.36

Finding the Fourth Proportional to 13,276.99, 19,901.54 and 6,689.36

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Solution

The fourth proportional to 13,276.99, 19,901.54 and 6,689.36 is: 10,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.99 : 19,901.54 = 6,689.36 : x
  2. Step 2: Convert to fraction form
    13,276.99/19,901.54 = 6,689.36/x
  3. Step 3: Cross multiply
    13,276.99x = 19,901.54 × 6,689.36
  4. Step 4: Simplify right side
    13,276.99x = 133,128,613.28
  5. Step 5: Solve for x
    x = 133,128,613.28/13,276.99
  6. Step 6: Final answer
    x = 10,027.02

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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.