Home / 13,604.80-20,418.12-7,032.90

Finding the Fourth Proportional to 13,604.80, 20,418.12 and 7,032.90

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Solution

The fourth proportional to 13,604.80, 20,418.12 and 7,032.90 is: 10,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.80 : 20,418.12 = 7,032.90 : x
  2. Step 2: Convert to fraction form
    13,604.80/20,418.12 = 7,032.90/x
  3. Step 3: Cross multiply
    13,604.80x = 20,418.12 × 7,032.90
  4. Step 4: Simplify right side
    13,604.80x = 143,598,596.15
  5. Step 5: Solve for x
    x = 143,598,596.15/13,604.80
  6. Step 6: Final answer
    x = 10,555.00

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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.