Home / 9,816.20-14,724.34-2,420.84

Finding the Fourth Proportional to 9,816.20, 14,724.34 and 2,420.84

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Solution

The fourth proportional to 9,816.20, 14,724.34 and 2,420.84 is: 3,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.20 : 14,724.34 = 2,420.84 : x
  2. Step 2: Convert to fraction form
    9,816.20/14,724.34 = 2,420.84/x
  3. Step 3: Cross multiply
    9,816.20x = 14,724.34 × 2,420.84
  4. Step 4: Simplify right side
    9,816.20x = 35,645,271.25
  5. Step 5: Solve for x
    x = 35,645,271.25/9,816.20
  6. Step 6: Final answer
    x = 3,631.27

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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.