Home / 13,458.06-20,185.56-3,598.20

Finding the Fourth Proportional to 13,458.06, 20,185.56 and 3,598.20

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Solution

The fourth proportional to 13,458.06, 20,185.56 and 3,598.20 is: 5,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.06 : 20,185.56 = 3,598.20 : x
  2. Step 2: Convert to fraction form
    13,458.06/20,185.56 = 3,598.20/x
  3. Step 3: Cross multiply
    13,458.06x = 20,185.56 × 3,598.20
  4. Step 4: Simplify right side
    13,458.06x = 72,631,681.99
  5. Step 5: Solve for x
    x = 72,631,681.99/13,458.06
  6. Step 6: Final answer
    x = 5,396.89

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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.