Home / 13,975.75-19,286.61-7,602.39

Finding the Fourth Proportional to 13,975.75, 19,286.61 and 7,602.39

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Solution

The fourth proportional to 13,975.75, 19,286.61 and 7,602.39 is: 10,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.75 : 19,286.61 = 7,602.39 : x
  2. Step 2: Convert to fraction form
    13,975.75/19,286.61 = 7,602.39/x
  3. Step 3: Cross multiply
    13,975.75x = 19,286.61 × 7,602.39
  4. Step 4: Simplify right side
    13,975.75x = 146,624,331.00
  5. Step 5: Solve for x
    x = 146,624,331.00/13,975.75
  6. Step 6: Final answer
    x = 10,491.34

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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.