Home / 8,958.20-13,400.39-7,465.57

Finding the Fourth Proportional to 8,958.20, 13,400.39 and 7,465.57

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Solution

The fourth proportional to 8,958.20, 13,400.39 and 7,465.57 is: 11,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.20 : 13,400.39 = 7,465.57 : x
  2. Step 2: Convert to fraction form
    8,958.20/13,400.39 = 7,465.57/x
  3. Step 3: Cross multiply
    8,958.20x = 13,400.39 × 7,465.57
  4. Step 4: Simplify right side
    8,958.20x = 100,041,492.74
  5. Step 5: Solve for x
    x = 100,041,492.74/8,958.20
  6. Step 6: Final answer
    x = 11,167.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.