Home / 13,245.12-19,828.80-9,282.60

Finding the Fourth Proportional to 13,245.12, 19,828.80 and 9,282.60

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Solution

The fourth proportional to 13,245.12, 19,828.80 and 9,282.60 is: 13,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.12 : 19,828.80 = 9,282.60 : x
  2. Step 2: Convert to fraction form
    13,245.12/19,828.80 = 9,282.60/x
  3. Step 3: Cross multiply
    13,245.12x = 19,828.80 × 9,282.60
  4. Step 4: Simplify right side
    13,245.12x = 184,062,818.88
  5. Step 5: Solve for x
    x = 184,062,818.88/13,245.12
  6. Step 6: Final answer
    x = 13,896.65

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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.