Home / 20,794.16-31,187.90-5,801.67

Finding the Fourth Proportional to 20,794.16, 31,187.90 and 5,801.67

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Solution

The fourth proportional to 20,794.16, 31,187.90 and 5,801.67 is: 8,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.16 : 31,187.90 = 5,801.67 : x
  2. Step 2: Convert to fraction form
    20,794.16/31,187.90 = 5,801.67/x
  3. Step 3: Cross multiply
    20,794.16x = 31,187.90 × 5,801.67
  4. Step 4: Simplify right side
    20,794.16x = 180,941,918.30
  5. Step 5: Solve for x
    x = 180,941,918.30/20,794.16
  6. Step 6: Final answer
    x = 8,701.57

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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.