Home / 20,675.37-31,013.40-5,884.67

Finding the Fourth Proportional to 20,675.37, 31,013.40 and 5,884.67

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Solution

The fourth proportional to 20,675.37, 31,013.40 and 5,884.67 is: 8,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.37 : 31,013.40 = 5,884.67 : x
  2. Step 2: Convert to fraction form
    20,675.37/31,013.40 = 5,884.67/x
  3. Step 3: Cross multiply
    20,675.37x = 31,013.40 × 5,884.67
  4. Step 4: Simplify right side
    20,675.37x = 182,503,469.51
  5. Step 5: Solve for x
    x = 182,503,469.51/20,675.37
  6. Step 6: Final answer
    x = 8,827.10

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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.