Home / 13,174.30-19,775.36-12,876.82

Finding the Fourth Proportional to 13,174.30, 19,775.36 and 12,876.82

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Solution

The fourth proportional to 13,174.30, 19,775.36 and 12,876.82 is: 19,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.30 : 19,775.36 = 12,876.82 : x
  2. Step 2: Convert to fraction form
    13,174.30/19,775.36 = 12,876.82/x
  3. Step 3: Cross multiply
    13,174.30x = 19,775.36 × 12,876.82
  4. Step 4: Simplify right side
    13,174.30x = 254,643,751.16
  5. Step 5: Solve for x
    x = 254,643,751.16/13,174.30
  6. Step 6: Final answer
    x = 19,328.83

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1.5x scale

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.