Home / 14,274.76-21,406.82-4,912.16

Finding the Fourth Proportional to 14,274.76, 21,406.82 and 4,912.16

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Solution

The fourth proportional to 14,274.76, 21,406.82 and 4,912.16 is: 7,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.76 : 21,406.82 = 4,912.16 : x
  2. Step 2: Convert to fraction form
    14,274.76/21,406.82 = 4,912.16/x
  3. Step 3: Cross multiply
    14,274.76x = 21,406.82 × 4,912.16
  4. Step 4: Simplify right side
    14,274.76x = 105,153,724.93
  5. Step 5: Solve for x
    x = 105,153,724.93/14,274.76
  6. Step 6: Final answer
    x = 7,366.41

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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.