Home / 13,866.48-19,137.06-7,579.80

Finding the Fourth Proportional to 13,866.48, 19,137.06 and 7,579.80

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Solution

The fourth proportional to 13,866.48, 19,137.06 and 7,579.80 is: 10,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.48 : 19,137.06 = 7,579.80 : x
  2. Step 2: Convert to fraction form
    13,866.48/19,137.06 = 7,579.80/x
  3. Step 3: Cross multiply
    13,866.48x = 19,137.06 × 7,579.80
  4. Step 4: Simplify right side
    13,866.48x = 145,055,087.39
  5. Step 5: Solve for x
    x = 145,055,087.39/13,866.48
  6. Step 6: Final answer
    x = 10,460.84

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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.