Home / 18,860.28-25,967.52-14,369.64

Finding the Fourth Proportional to 18,860.28, 25,967.52 and 14,369.64

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Solution

The fourth proportional to 18,860.28, 25,967.52 and 14,369.64 is: 19,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.28 : 25,967.52 = 14,369.64 : x
  2. Step 2: Convert to fraction form
    18,860.28/25,967.52 = 14,369.64/x
  3. Step 3: Cross multiply
    18,860.28x = 25,967.52 × 14,369.64
  4. Step 4: Simplify right side
    18,860.28x = 373,143,914.09
  5. Step 5: Solve for x
    x = 373,143,914.09/18,860.28
  6. Step 6: Final answer
    x = 19,784.64

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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.