Home / 13,880.56-20,816.93-4,994.59

Finding the Fourth Proportional to 13,880.56, 20,816.93 and 4,994.59

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Solution

The fourth proportional to 13,880.56, 20,816.93 and 4,994.59 is: 7,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.56 : 20,816.93 = 4,994.59 : x
  2. Step 2: Convert to fraction form
    13,880.56/20,816.93 = 4,994.59/x
  3. Step 3: Cross multiply
    13,880.56x = 20,816.93 × 4,994.59
  4. Step 4: Simplify right side
    13,880.56x = 103,972,005.44
  5. Step 5: Solve for x
    x = 103,972,005.44/13,880.56
  6. Step 6: Final answer
    x = 7,490.48

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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.