Home / 18,945.60-26,146.80-14,157.24

Finding the Fourth Proportional to 18,945.60, 26,146.80 and 14,157.24

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Solution

The fourth proportional to 18,945.60, 26,146.80 and 14,157.24 is: 19,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.60 : 26,146.80 = 14,157.24 : x
  2. Step 2: Convert to fraction form
    18,945.60/26,146.80 = 14,157.24/x
  3. Step 3: Cross multiply
    18,945.60x = 26,146.80 × 14,157.24
  4. Step 4: Simplify right side
    18,945.60x = 370,166,522.83
  5. Step 5: Solve for x
    x = 370,166,522.83/18,945.60
  6. Step 6: Final answer
    x = 19,538.39

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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.