Home / 10,290.97-15,434.66-2,893.67

Finding the Fourth Proportional to 10,290.97, 15,434.66 and 2,893.67

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Solution

The fourth proportional to 10,290.97, 15,434.66 and 2,893.67 is: 4,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.97 : 15,434.66 = 2,893.67 : x
  2. Step 2: Convert to fraction form
    10,290.97/15,434.66 = 2,893.67/x
  3. Step 3: Cross multiply
    10,290.97x = 15,434.66 × 2,893.67
  4. Step 4: Simplify right side
    10,290.97x = 44,662,720.96
  5. Step 5: Solve for x
    x = 44,662,720.96/10,290.97
  6. Step 6: Final answer
    x = 4,339.99

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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.