Home / 13,894.08-20,845.02-5,579.93

Finding the Fourth Proportional to 13,894.08, 20,845.02 and 5,579.93

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Solution

The fourth proportional to 13,894.08, 20,845.02 and 5,579.93 is: 8,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.08 : 20,845.02 = 5,579.93 : x
  2. Step 2: Convert to fraction form
    13,894.08/20,845.02 = 5,579.93/x
  3. Step 3: Cross multiply
    13,894.08x = 20,845.02 × 5,579.93
  4. Step 4: Simplify right side
    13,894.08x = 116,313,804.56
  5. Step 5: Solve for x
    x = 116,313,804.56/13,894.08
  6. Step 6: Final answer
    x = 8,371.47

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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.