Home / 13,194.16-19,800.70-5,190.14

Finding the Fourth Proportional to 13,194.16, 19,800.70 and 5,190.14

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Solution

The fourth proportional to 13,194.16, 19,800.70 and 5,190.14 is: 7,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.16 : 19,800.70 = 5,190.14 : x
  2. Step 2: Convert to fraction form
    13,194.16/19,800.70 = 5,190.14/x
  3. Step 3: Cross multiply
    13,194.16x = 19,800.70 × 5,190.14
  4. Step 4: Simplify right side
    13,194.16x = 102,768,405.10
  5. Step 5: Solve for x
    x = 102,768,405.10/13,194.16
  6. Step 6: Final answer
    x = 7,788.93

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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.