Home / 20,894.02-31,319.01-6,850.38

Finding the Fourth Proportional to 20,894.02, 31,319.01 and 6,850.38

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Solution

The fourth proportional to 20,894.02, 31,319.01 and 6,850.38 is: 10,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.02 : 31,319.01 = 6,850.38 : x
  2. Step 2: Convert to fraction form
    20,894.02/31,319.01 = 6,850.38/x
  3. Step 3: Cross multiply
    20,894.02x = 31,319.01 × 6,850.38
  4. Step 4: Simplify right side
    20,894.02x = 214,547,094.03
  5. Step 5: Solve for x
    x = 214,547,094.03/20,894.02
  6. Step 6: Final answer
    x = 10,268.35

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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.