Home / 20,865.27-31,303.02-6,074.32

Finding the Fourth Proportional to 20,865.27, 31,303.02 and 6,074.32

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Solution

The fourth proportional to 20,865.27, 31,303.02 and 6,074.32 is: 9,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865.27 : 31,303.02 = 6,074.32 : x
  2. Step 2: Convert to fraction form
    20,865.27/31,303.02 = 6,074.32/x
  3. Step 3: Cross multiply
    20,865.27x = 31,303.02 × 6,074.32
  4. Step 4: Simplify right side
    20,865.27x = 190,144,388.75
  5. Step 5: Solve for x
    x = 190,144,388.75/20,865.27
  6. Step 6: Final answer
    x = 9,112.96

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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.