Home / 13,874.37-19,148.76-8,840.79

Finding the Fourth Proportional to 13,874.37, 19,148.76 and 8,840.79

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Solution

The fourth proportional to 13,874.37, 19,148.76 and 8,840.79 is: 12,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.37 : 19,148.76 = 8,840.79 : x
  2. Step 2: Convert to fraction form
    13,874.37/19,148.76 = 8,840.79/x
  3. Step 3: Cross multiply
    13,874.37x = 19,148.76 × 8,840.79
  4. Step 4: Simplify right side
    13,874.37x = 169,290,165.92
  5. Step 5: Solve for x
    x = 169,290,165.92/13,874.37
  6. Step 6: Final answer
    x = 12,201.65

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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.