Home / 13,174.88-18,182.10-7,511.36

Finding the Fourth Proportional to 13,174.88, 18,182.10 and 7,511.36

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Solution

The fourth proportional to 13,174.88, 18,182.10 and 7,511.36 is: 10,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.88 : 18,182.10 = 7,511.36 : x
  2. Step 2: Convert to fraction form
    13,174.88/18,182.10 = 7,511.36/x
  3. Step 3: Cross multiply
    13,174.88x = 18,182.10 × 7,511.36
  4. Step 4: Simplify right side
    13,174.88x = 136,572,298.66
  5. Step 5: Solve for x
    x = 136,572,298.66/13,174.88
  6. Step 6: Final answer
    x = 10,366.11

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1.5x scale

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.