Home / 13,328.96-18,394.72-11,448.14

Finding the Fourth Proportional to 13,328.96, 18,394.72 and 11,448.14

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Solution

The fourth proportional to 13,328.96, 18,394.72 and 11,448.14 is: 15,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.96 : 18,394.72 = 11,448.14 : x
  2. Step 2: Convert to fraction form
    13,328.96/18,394.72 = 11,448.14/x
  3. Step 3: Cross multiply
    13,328.96x = 18,394.72 × 11,448.14
  4. Step 4: Simplify right side
    13,328.96x = 210,585,329.82
  5. Step 5: Solve for x
    x = 210,585,329.82/13,328.96
  6. Step 6: Final answer
    x = 15,799.08

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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.