Home / 12,747.71-19,118.68-4,847.40

Finding the Fourth Proportional to 12,747.71, 19,118.68 and 4,847.40

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Solution

The fourth proportional to 12,747.71, 19,118.68 and 4,847.40 is: 7,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.71 : 19,118.68 = 4,847.40 : x
  2. Step 2: Convert to fraction form
    12,747.71/19,118.68 = 4,847.40/x
  3. Step 3: Cross multiply
    12,747.71x = 19,118.68 × 4,847.40
  4. Step 4: Simplify right side
    12,747.71x = 92,675,889.43
  5. Step 5: Solve for x
    x = 92,675,889.43/12,747.71
  6. Step 6: Final answer
    x = 7,270.00

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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.