Home / 12,876.77-19,311.06-12,036.24

Finding the Fourth Proportional to 12,876.77, 19,311.06 and 12,036.24

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Solution

The fourth proportional to 12,876.77, 19,311.06 and 12,036.24 is: 18,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.77 : 19,311.06 = 12,036.24 : x
  2. Step 2: Convert to fraction form
    12,876.77/19,311.06 = 12,036.24/x
  3. Step 3: Cross multiply
    12,876.77x = 19,311.06 × 12,036.24
  4. Step 4: Simplify right side
    12,876.77x = 232,432,496.15
  5. Step 5: Solve for x
    x = 232,432,496.15/12,876.77
  6. Step 6: Final answer
    x = 18,050.53

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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.