Home / 13,013.82-19,533.51-5,620.86

Finding the Fourth Proportional to 13,013.82, 19,533.51 and 5,620.86

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Solution

The fourth proportional to 13,013.82, 19,533.51 and 5,620.86 is: 8,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.82 : 19,533.51 = 5,620.86 : x
  2. Step 2: Convert to fraction form
    13,013.82/19,533.51 = 5,620.86/x
  3. Step 3: Cross multiply
    13,013.82x = 19,533.51 × 5,620.86
  4. Step 4: Simplify right side
    13,013.82x = 109,795,125.02
  5. Step 5: Solve for x
    x = 109,795,125.02/13,013.82
  6. Step 6: Final answer
    x = 8,436.81

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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.