Home / 13,856.15-20,783.67-4,622.15

Finding the Fourth Proportional to 13,856.15, 20,783.67 and 4,622.15

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Solution

The fourth proportional to 13,856.15, 20,783.67 and 4,622.15 is: 6,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.15 : 20,783.67 = 4,622.15 : x
  2. Step 2: Convert to fraction form
    13,856.15/20,783.67 = 4,622.15/x
  3. Step 3: Cross multiply
    13,856.15x = 20,783.67 × 4,622.15
  4. Step 4: Simplify right side
    13,856.15x = 96,065,136.37
  5. Step 5: Solve for x
    x = 96,065,136.37/13,856.15
  6. Step 6: Final answer
    x = 6,933.03

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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.