Home / 13,525.74-20,285.37-4,640.04

Finding the Fourth Proportional to 13,525.74, 20,285.37 and 4,640.04

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Solution

The fourth proportional to 13,525.74, 20,285.37 and 4,640.04 is: 6,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.74 : 20,285.37 = 4,640.04 : x
  2. Step 2: Convert to fraction form
    13,525.74/20,285.37 = 4,640.04/x
  3. Step 3: Cross multiply
    13,525.74x = 20,285.37 × 4,640.04
  4. Step 4: Simplify right side
    13,525.74x = 94,124,928.21
  5. Step 5: Solve for x
    x = 94,124,928.21/13,525.74
  6. Step 6: Final answer
    x = 6,958.95

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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.