Home / 21,114.02-31,662.12-6,325.04

Finding the Fourth Proportional to 21,114.02, 31,662.12 and 6,325.04

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Solution

The fourth proportional to 21,114.02, 31,662.12 and 6,325.04 is: 9,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,114.02 : 31,662.12 = 6,325.04 : x
  2. Step 2: Convert to fraction form
    21,114.02/31,662.12 = 6,325.04/x
  3. Step 3: Cross multiply
    21,114.02x = 31,662.12 × 6,325.04
  4. Step 4: Simplify right side
    21,114.02x = 200,264,175.48
  5. Step 5: Solve for x
    x = 200,264,175.48/21,114.02
  6. Step 6: Final answer
    x = 9,484.89

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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.