Home / 13,835.14-19,094.54-7,867.36

Finding the Fourth Proportional to 13,835.14, 19,094.54 and 7,867.36

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Solution

The fourth proportional to 13,835.14, 19,094.54 and 7,867.36 is: 10,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.14 : 19,094.54 = 7,867.36 : x
  2. Step 2: Convert to fraction form
    13,835.14/19,094.54 = 7,867.36/x
  3. Step 3: Cross multiply
    13,835.14x = 19,094.54 × 7,867.36
  4. Step 4: Simplify right side
    13,835.14x = 150,223,604.75
  5. Step 5: Solve for x
    x = 150,223,604.75/13,835.14
  6. Step 6: Final answer
    x = 10,858.12

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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.