Home / 13,818.60-19,069.92-7,850.16

Finding the Fourth Proportional to 13,818.60, 19,069.92 and 7,850.16

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Solution

The fourth proportional to 13,818.60, 19,069.92 and 7,850.16 is: 10,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.60 : 19,069.92 = 7,850.16 : x
  2. Step 2: Convert to fraction form
    13,818.60/19,069.92 = 7,850.16/x
  3. Step 3: Cross multiply
    13,818.60x = 19,069.92 × 7,850.16
  4. Step 4: Simplify right side
    13,818.60x = 149,701,923.19
  5. Step 5: Solve for x
    x = 149,701,923.19/13,818.60
  6. Step 6: Final answer
    x = 10,833.36

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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.