Home / 13,797.51-20,699.60-4,438.40

Finding the Fourth Proportional to 13,797.51, 20,699.60 and 4,438.40

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Solution

The fourth proportional to 13,797.51, 20,699.60 and 4,438.40 is: 6,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.51 : 20,699.60 = 4,438.40 : x
  2. Step 2: Convert to fraction form
    13,797.51/20,699.60 = 4,438.40/x
  3. Step 3: Cross multiply
    13,797.51x = 20,699.60 × 4,438.40
  4. Step 4: Simplify right side
    13,797.51x = 91,872,978.95
  5. Step 5: Solve for x
    x = 91,872,978.95/13,797.51
  6. Step 6: Final answer
    x = 6,658.67

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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.