Home / 13,028.60-19,538.55-4,261.47

Finding the Fourth Proportional to 13,028.60, 19,538.55 and 4,261.47

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Solution

The fourth proportional to 13,028.60, 19,538.55 and 4,261.47 is: 6,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.60 : 19,538.55 = 4,261.47 : x
  2. Step 2: Convert to fraction form
    13,028.60/19,538.55 = 4,261.47/x
  3. Step 3: Cross multiply
    13,028.60x = 19,538.55 × 4,261.47
  4. Step 4: Simplify right side
    13,028.60x = 83,262,944.67
  5. Step 5: Solve for x
    x = 83,262,944.67/13,028.60
  6. Step 6: Final answer
    x = 6,390.78

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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.