Home / 13,239.58-18,268.30-7,573.55

Finding the Fourth Proportional to 13,239.58, 18,268.30 and 7,573.55

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Solution

The fourth proportional to 13,239.58, 18,268.30 and 7,573.55 is: 10,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.58 : 18,268.30 = 7,573.55 : x
  2. Step 2: Convert to fraction form
    13,239.58/18,268.30 = 7,573.55/x
  3. Step 3: Cross multiply
    13,239.58x = 18,268.30 × 7,573.55
  4. Step 4: Simplify right side
    13,239.58x = 138,355,773.19
  5. Step 5: Solve for x
    x = 138,355,773.19/13,239.58
  6. Step 6: Final answer
    x = 10,450.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.