Home / 14,282.80-21,415.20-5,968.60

Finding the Fourth Proportional to 14,282.80, 21,415.20 and 5,968.60

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Solution

The fourth proportional to 14,282.80, 21,415.20 and 5,968.60 is: 8,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.80 : 21,415.20 = 5,968.60 : x
  2. Step 2: Convert to fraction form
    14,282.80/21,415.20 = 5,968.60/x
  3. Step 3: Cross multiply
    14,282.80x = 21,415.20 × 5,968.60
  4. Step 4: Simplify right side
    14,282.80x = 127,818,762.72
  5. Step 5: Solve for x
    x = 127,818,762.72/14,282.80
  6. Step 6: Final answer
    x = 8,949.14

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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.