Home / 13,030.80-19,546.20-3,670.80

Finding the Fourth Proportional to 13,030.80, 19,546.20 and 3,670.80

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Solution

The fourth proportional to 13,030.80, 19,546.20 and 3,670.80 is: 5,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.80 : 19,546.20 = 3,670.80 : x
  2. Step 2: Convert to fraction form
    13,030.80/19,546.20 = 3,670.80/x
  3. Step 3: Cross multiply
    13,030.80x = 19,546.20 × 3,670.80
  4. Step 4: Simplify right side
    13,030.80x = 71,750,190.96
  5. Step 5: Solve for x
    x = 71,750,190.96/13,030.80
  6. Step 6: Final answer
    x = 5,506.20

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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.