Home / 13,365.62-18,443.75-7,396.93

Finding the Fourth Proportional to 13,365.62, 18,443.75 and 7,396.93

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Solution

The fourth proportional to 13,365.62, 18,443.75 and 7,396.93 is: 10,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.62 : 18,443.75 = 7,396.93 : x
  2. Step 2: Convert to fraction form
    13,365.62/18,443.75 = 7,396.93/x
  3. Step 3: Cross multiply
    13,365.62x = 18,443.75 × 7,396.93
  4. Step 4: Simplify right side
    13,365.62x = 136,427,100.07
  5. Step 5: Solve for x
    x = 136,427,100.07/13,365.62
  6. Step 6: Final answer
    x = 10,207.32

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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.