Home / 12,826.86-19,242.32-4,929.06

Finding the Fourth Proportional to 12,826.86, 19,242.32 and 4,929.06

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Solution

The fourth proportional to 12,826.86, 19,242.32 and 4,929.06 is: 7,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.86 : 19,242.32 = 4,929.06 : x
  2. Step 2: Convert to fraction form
    12,826.86/19,242.32 = 4,929.06/x
  3. Step 3: Cross multiply
    12,826.86x = 19,242.32 × 4,929.06
  4. Step 4: Simplify right side
    12,826.86x = 94,846,525.17
  5. Step 5: Solve for x
    x = 94,846,525.17/12,826.86
  6. Step 6: Final answer
    x = 7,394.37

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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.