Home / 10,782.21-16,236.66-9,411.84

Finding the Fourth Proportional to 10,782.21, 16,236.66 and 9,411.84

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Solution

The fourth proportional to 10,782.21, 16,236.66 and 9,411.84 is: 14,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.21 : 16,236.66 = 9,411.84 : x
  2. Step 2: Convert to fraction form
    10,782.21/16,236.66 = 9,411.84/x
  3. Step 3: Cross multiply
    10,782.21x = 16,236.66 × 9,411.84
  4. Step 4: Simplify right side
    10,782.21x = 152,816,846.05
  5. Step 5: Solve for x
    x = 152,816,846.05/10,782.21
  6. Step 6: Final answer
    x = 14,173.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.