Home / 13,180.53-19,770.89-4,416.13

Finding the Fourth Proportional to 13,180.53, 19,770.89 and 4,416.13

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Solution

The fourth proportional to 13,180.53, 19,770.89 and 4,416.13 is: 6,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.53 : 19,770.89 = 4,416.13 : x
  2. Step 2: Convert to fraction form
    13,180.53/19,770.89 = 4,416.13/x
  3. Step 3: Cross multiply
    13,180.53x = 19,770.89 × 4,416.13
  4. Step 4: Simplify right side
    13,180.53x = 87,310,820.46
  5. Step 5: Solve for x
    x = 87,310,820.46/13,180.53
  6. Step 6: Final answer
    x = 6,624.23

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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.