Home / 14,642.36-21,963.93-4,782.20

Finding the Fourth Proportional to 14,642.36, 21,963.93 and 4,782.20

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Solution

The fourth proportional to 14,642.36, 21,963.93 and 4,782.20 is: 7,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.36 : 21,963.93 = 4,782.20 : x
  2. Step 2: Convert to fraction form
    14,642.36/21,963.93 = 4,782.20/x
  3. Step 3: Cross multiply
    14,642.36x = 21,963.93 × 4,782.20
  4. Step 4: Simplify right side
    14,642.36x = 105,035,906.05
  5. Step 5: Solve for x
    x = 105,035,906.05/14,642.36
  6. Step 6: Final answer
    x = 7,173.43

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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.