Home / 13,898.63-19,183.49-8,590.25

Finding the Fourth Proportional to 13,898.63, 19,183.49 and 8,590.25

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Solution

The fourth proportional to 13,898.63, 19,183.49 and 8,590.25 is: 11,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.63 : 19,183.49 = 8,590.25 : x
  2. Step 2: Convert to fraction form
    13,898.63/19,183.49 = 8,590.25/x
  3. Step 3: Cross multiply
    13,898.63x = 19,183.49 × 8,590.25
  4. Step 4: Simplify right side
    13,898.63x = 164,790,932.02
  5. Step 5: Solve for x
    x = 164,790,932.02/13,898.63
  6. Step 6: Final answer
    x = 11,856.63

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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.