Home / 20,683.08-31,019.96-5,891.67

Finding the Fourth Proportional to 20,683.08, 31,019.96 and 5,891.67

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Solution

The fourth proportional to 20,683.08, 31,019.96 and 5,891.67 is: 8,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.08 : 31,019.96 = 5,891.67 : x
  2. Step 2: Convert to fraction form
    20,683.08/31,019.96 = 5,891.67/x
  3. Step 3: Cross multiply
    20,683.08x = 31,019.96 × 5,891.67
  4. Step 4: Simplify right side
    20,683.08x = 182,759,382.46
  5. Step 5: Solve for x
    x = 182,759,382.46/20,683.08
  6. Step 6: Final answer
    x = 8,836.18

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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.