Home / 15,280.44-22,881.78-13,997.40

Finding the Fourth Proportional to 15,280.44, 22,881.78 and 13,997.40

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Solution

The fourth proportional to 15,280.44, 22,881.78 and 13,997.40 is: 20,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.44 : 22,881.78 = 13,997.40 : x
  2. Step 2: Convert to fraction form
    15,280.44/22,881.78 = 13,997.40/x
  3. Step 3: Cross multiply
    15,280.44x = 22,881.78 × 13,997.40
  4. Step 4: Simplify right side
    15,280.44x = 320,285,427.37
  5. Step 5: Solve for x
    x = 320,285,427.37/15,280.44
  6. Step 6: Final answer
    x = 20,960.48

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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.