Home / 18,839.64-28,242.18-6,519

Finding the Fourth Proportional to 18,839.64, 28,242.18 and 6,519

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Solution

The fourth proportional to 18,839.64, 28,242.18 and 6,519 is: 9,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.64 : 28,242.18 = 6,519 : x
  2. Step 2: Convert to fraction form
    18,839.64/28,242.18 = 6,519/x
  3. Step 3: Cross multiply
    18,839.64x = 28,242.18 × 6,519
  4. Step 4: Simplify right side
    18,839.64x = 184,110,771.42
  5. Step 5: Solve for x
    x = 184,110,771.42/18,839.64
  6. Step 6: Final answer
    x = 9,772.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.