Home / 13,350.34-20,012.55-5,554.90

Finding the Fourth Proportional to 13,350.34, 20,012.55 and 5,554.90

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Solution

The fourth proportional to 13,350.34, 20,012.55 and 5,554.90 is: 8,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.34 : 20,012.55 = 5,554.90 : x
  2. Step 2: Convert to fraction form
    13,350.34/20,012.55 = 5,554.90/x
  3. Step 3: Cross multiply
    13,350.34x = 20,012.55 × 5,554.90
  4. Step 4: Simplify right side
    13,350.34x = 111,167,714.00
  5. Step 5: Solve for x
    x = 111,167,714.00/13,350.34
  6. Step 6: Final answer
    x = 8,326.96

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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.