Home / 14,517.48-20,054.40-13,978.08

Finding the Fourth Proportional to 14,517.48, 20,054.40 and 13,978.08

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Solution

The fourth proportional to 14,517.48, 20,054.40 and 13,978.08 is: 19,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.48 : 20,054.40 = 13,978.08 : x
  2. Step 2: Convert to fraction form
    14,517.48/20,054.40 = 13,978.08/x
  3. Step 3: Cross multiply
    14,517.48x = 20,054.40 × 13,978.08
  4. Step 4: Simplify right side
    14,517.48x = 280,322,007.55
  5. Step 5: Solve for x
    x = 280,322,007.55/14,517.48
  6. Step 6: Final answer
    x = 19,309.27

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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.