Home / 10,217.09-15,326.37-2,820.98

Finding the Fourth Proportional to 10,217.09, 15,326.37 and 2,820.98

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Solution

The fourth proportional to 10,217.09, 15,326.37 and 2,820.98 is: 4,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.09 : 15,326.37 = 2,820.98 : x
  2. Step 2: Convert to fraction form
    10,217.09/15,326.37 = 2,820.98/x
  3. Step 3: Cross multiply
    10,217.09x = 15,326.37 × 2,820.98
  4. Step 4: Simplify right side
    10,217.09x = 43,235,306.61
  5. Step 5: Solve for x
    x = 43,235,306.61/10,217.09
  6. Step 6: Final answer
    x = 4,231.67

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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.