Home / 13,439.00-20,154.65-4,076.21

Finding the Fourth Proportional to 13,439.00, 20,154.65 and 4,076.21

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Solution

The fourth proportional to 13,439.00, 20,154.65 and 4,076.21 is: 6,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.00 : 20,154.65 = 4,076.21 : x
  2. Step 2: Convert to fraction form
    13,439.00/20,154.65 = 4,076.21/x
  3. Step 3: Cross multiply
    13,439.00x = 20,154.65 × 4,076.21
  4. Step 4: Simplify right side
    13,439.00x = 82,154,464.72
  5. Step 5: Solve for x
    x = 82,154,464.72/13,439.00
  6. Step 6: Final answer
    x = 6,113.14

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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.