Home / 13,367.63-18,447.14-7,399.24

Finding the Fourth Proportional to 13,367.63, 18,447.14 and 7,399.24

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Solution

The fourth proportional to 13,367.63, 18,447.14 and 7,399.24 is: 10,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.63 : 18,447.14 = 7,399.24 : x
  2. Step 2: Convert to fraction form
    13,367.63/18,447.14 = 7,399.24/x
  3. Step 3: Cross multiply
    13,367.63x = 18,447.14 × 7,399.24
  4. Step 4: Simplify right side
    13,367.63x = 136,494,788.55
  5. Step 5: Solve for x
    x = 136,494,788.55/13,367.63
  6. Step 6: Final answer
    x = 10,210.84

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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.