Home / 14,147.42-19,522.74-8,178.52

Finding the Fourth Proportional to 14,147.42, 19,522.74 and 8,178.52

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Solution

The fourth proportional to 14,147.42, 19,522.74 and 8,178.52 is: 11,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.42 : 19,522.74 = 8,178.52 : x
  2. Step 2: Convert to fraction form
    14,147.42/19,522.74 = 8,178.52/x
  3. Step 3: Cross multiply
    14,147.42x = 19,522.74 × 8,178.52
  4. Step 4: Simplify right side
    14,147.42x = 159,667,119.54
  5. Step 5: Solve for x
    x = 159,667,119.54/14,147.42
  6. Step 6: Final answer
    x = 11,285.95

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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.