Home / 13,885.70-20,829.63-4,025.12

Finding the Fourth Proportional to 13,885.70, 20,829.63 and 4,025.12

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Solution

The fourth proportional to 13,885.70, 20,829.63 and 4,025.12 is: 6,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.70 : 20,829.63 = 4,025.12 : x
  2. Step 2: Convert to fraction form
    13,885.70/20,829.63 = 4,025.12/x
  3. Step 3: Cross multiply
    13,885.70x = 20,829.63 × 4,025.12
  4. Step 4: Simplify right side
    13,885.70x = 83,841,760.31
  5. Step 5: Solve for x
    x = 83,841,760.31/13,885.70
  6. Step 6: Final answer
    x = 6,037.99

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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.