Home / 14,745.78-20,313.44-10,962.40

Finding the Fourth Proportional to 14,745.78, 20,313.44 and 10,962.40

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Solution

The fourth proportional to 14,745.78, 20,313.44 and 10,962.40 is: 15,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.78 : 20,313.44 = 10,962.40 : x
  2. Step 2: Convert to fraction form
    14,745.78/20,313.44 = 10,962.40/x
  3. Step 3: Cross multiply
    14,745.78x = 20,313.44 × 10,962.40
  4. Step 4: Simplify right side
    14,745.78x = 222,684,054.66
  5. Step 5: Solve for x
    x = 222,684,054.66/14,745.78
  6. Step 6: Final answer
    x = 15,101.54

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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.