Home / 18,837.64-25,984.50-12,464.20

Finding the Fourth Proportional to 18,837.64, 25,984.50 and 12,464.20

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Solution

The fourth proportional to 18,837.64, 25,984.50 and 12,464.20 is: 17,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.64 : 25,984.50 = 12,464.20 : x
  2. Step 2: Convert to fraction form
    18,837.64/25,984.50 = 12,464.20/x
  3. Step 3: Cross multiply
    18,837.64x = 25,984.50 × 12,464.20
  4. Step 4: Simplify right side
    18,837.64x = 323,876,004.90
  5. Step 5: Solve for x
    x = 323,876,004.90/18,837.64
  6. Step 6: Final answer
    x = 17,193.02

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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.