Home / 13,337.12-20,004.40-4,103.20

Finding the Fourth Proportional to 13,337.12, 20,004.40 and 4,103.20

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Solution

The fourth proportional to 13,337.12, 20,004.40 and 4,103.20 is: 6,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.12 : 20,004.40 = 4,103.20 : x
  2. Step 2: Convert to fraction form
    13,337.12/20,004.40 = 4,103.20/x
  3. Step 3: Cross multiply
    13,337.12x = 20,004.40 × 4,103.20
  4. Step 4: Simplify right side
    13,337.12x = 82,082,054.08
  5. Step 5: Solve for x
    x = 82,082,054.08/13,337.12
  6. Step 6: Final answer
    x = 6,154.41

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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.