Home / 18,249.51-25,184.69-10,290.20

Finding the Fourth Proportional to 18,249.51, 25,184.69 and 10,290.20

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Solution

The fourth proportional to 18,249.51, 25,184.69 and 10,290.20 is: 14,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.51 : 25,184.69 = 10,290.20 : x
  2. Step 2: Convert to fraction form
    18,249.51/25,184.69 = 10,290.20/x
  3. Step 3: Cross multiply
    18,249.51x = 25,184.69 × 10,290.20
  4. Step 4: Simplify right side
    18,249.51x = 259,155,319.66
  5. Step 5: Solve for x
    x = 259,155,319.66/18,249.51
  6. Step 6: Final answer
    x = 14,200.67

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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.