Home / 9,836.84-14,742.50-3,990.26

Finding the Fourth Proportional to 9,836.84, 14,742.50 and 3,990.26

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Solution

The fourth proportional to 9,836.84, 14,742.50 and 3,990.26 is: 5,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.84 : 14,742.50 = 3,990.26 : x
  2. Step 2: Convert to fraction form
    9,836.84/14,742.50 = 3,990.26/x
  3. Step 3: Cross multiply
    9,836.84x = 14,742.50 × 3,990.26
  4. Step 4: Simplify right side
    9,836.84x = 58,826,408.05
  5. Step 5: Solve for x
    x = 58,826,408.05/9,836.84
  6. Step 6: Final answer
    x = 5,980.21

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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.