Home / 13,125.66-19,682.12-4,357.68

Finding the Fourth Proportional to 13,125.66, 19,682.12 and 4,357.68

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Solution

The fourth proportional to 13,125.66, 19,682.12 and 4,357.68 is: 6,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.66 : 19,682.12 = 4,357.68 : x
  2. Step 2: Convert to fraction form
    13,125.66/19,682.12 = 4,357.68/x
  3. Step 3: Cross multiply
    13,125.66x = 19,682.12 × 4,357.68
  4. Step 4: Simplify right side
    13,125.66x = 85,768,380.68
  5. Step 5: Solve for x
    x = 85,768,380.68/13,125.66
  6. Step 6: Final answer
    x = 6,534.41

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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.