Home / 13,291.21-18,341.94-7,323.23

Finding the Fourth Proportional to 13,291.21, 18,341.94 and 7,323.23

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Solution

The fourth proportional to 13,291.21, 18,341.94 and 7,323.23 is: 10,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.21 : 18,341.94 = 7,323.23 : x
  2. Step 2: Convert to fraction form
    13,291.21/18,341.94 = 7,323.23/x
  3. Step 3: Cross multiply
    13,291.21x = 18,341.94 × 7,323.23
  4. Step 4: Simplify right side
    13,291.21x = 134,322,245.27
  5. Step 5: Solve for x
    x = 134,322,245.27/13,291.21
  6. Step 6: Final answer
    x = 10,106.10

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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.