Home / 18,666.52-25,761.64-13,942.60

Finding the Fourth Proportional to 18,666.52, 25,761.64 and 13,942.60

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Solution

The fourth proportional to 18,666.52, 25,761.64 and 13,942.60 is: 19,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.52 : 25,761.64 = 13,942.60 : x
  2. Step 2: Convert to fraction form
    18,666.52/25,761.64 = 13,942.60/x
  3. Step 3: Cross multiply
    18,666.52x = 25,761.64 × 13,942.60
  4. Step 4: Simplify right side
    18,666.52x = 359,184,241.86
  5. Step 5: Solve for x
    x = 359,184,241.86/18,666.52
  6. Step 6: Final answer
    x = 19,242.16

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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.