Home / 14,187.75-19,579.23-7,900.26

Finding the Fourth Proportional to 14,187.75, 19,579.23 and 7,900.26

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Solution

The fourth proportional to 14,187.75, 19,579.23 and 7,900.26 is: 10,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.75 : 19,579.23 = 7,900.26 : x
  2. Step 2: Convert to fraction form
    14,187.75/19,579.23 = 7,900.26/x
  3. Step 3: Cross multiply
    14,187.75x = 19,579.23 × 7,900.26
  4. Step 4: Simplify right side
    14,187.75x = 154,681,007.60
  5. Step 5: Solve for x
    x = 154,681,007.60/14,187.75
  6. Step 6: Final answer
    x = 10,902.43

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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.