Home / 13,201.56-19,802.52-5,415.84

Finding the Fourth Proportional to 13,201.56, 19,802.52 and 5,415.84

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Solution

The fourth proportional to 13,201.56, 19,802.52 and 5,415.84 is: 8,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.56 : 19,802.52 = 5,415.84 : x
  2. Step 2: Convert to fraction form
    13,201.56/19,802.52 = 5,415.84/x
  3. Step 3: Cross multiply
    13,201.56x = 19,802.52 × 5,415.84
  4. Step 4: Simplify right side
    13,201.56x = 107,247,279.92
  5. Step 5: Solve for x
    x = 107,247,279.92/13,201.56
  6. Step 6: Final answer
    x = 8,123.83

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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.