Home / 13,381.20-20,063.70-5,984.28

Finding the Fourth Proportional to 13,381.20, 20,063.70 and 5,984.28

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Solution

The fourth proportional to 13,381.20, 20,063.70 and 5,984.28 is: 8,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.20 : 20,063.70 = 5,984.28 : x
  2. Step 2: Convert to fraction form
    13,381.20/20,063.70 = 5,984.28/x
  3. Step 3: Cross multiply
    13,381.20x = 20,063.70 × 5,984.28
  4. Step 4: Simplify right side
    13,381.20x = 120,066,798.64
  5. Step 5: Solve for x
    x = 120,066,798.64/13,381.20
  6. Step 6: Final answer
    x = 8,972.80

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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.