Home / 13,624.35-20,437.83-5,305.03

Finding the Fourth Proportional to 13,624.35, 20,437.83 and 5,305.03

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Solution

The fourth proportional to 13,624.35, 20,437.83 and 5,305.03 is: 7,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.35 : 20,437.83 = 5,305.03 : x
  2. Step 2: Convert to fraction form
    13,624.35/20,437.83 = 5,305.03/x
  3. Step 3: Cross multiply
    13,624.35x = 20,437.83 × 5,305.03
  4. Step 4: Simplify right side
    13,624.35x = 108,423,301.28
  5. Step 5: Solve for x
    x = 108,423,301.28/13,624.35
  6. Step 6: Final answer
    x = 7,958.05

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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.