Home / 12,726.09-19,085.46-4,405.77

Finding the Fourth Proportional to 12,726.09, 19,085.46 and 4,405.77

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Solution

The fourth proportional to 12,726.09, 19,085.46 and 4,405.77 is: 6,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.09 : 19,085.46 = 4,405.77 : x
  2. Step 2: Convert to fraction form
    12,726.09/19,085.46 = 4,405.77/x
  3. Step 3: Cross multiply
    12,726.09x = 19,085.46 × 4,405.77
  4. Step 4: Simplify right side
    12,726.09x = 84,086,147.10
  5. Step 5: Solve for x
    x = 84,086,147.10/12,726.09
  6. Step 6: Final answer
    x = 6,607.38

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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.