Home / 14,090.93-21,145.62-5,325.85

Finding the Fourth Proportional to 14,090.93, 21,145.62 and 5,325.85

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Solution

The fourth proportional to 14,090.93, 21,145.62 and 5,325.85 is: 7,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.93 : 21,145.62 = 5,325.85 : x
  2. Step 2: Convert to fraction form
    14,090.93/21,145.62 = 5,325.85/x
  3. Step 3: Cross multiply
    14,090.93x = 21,145.62 × 5,325.85
  4. Step 4: Simplify right side
    14,090.93x = 112,618,294.55
  5. Step 5: Solve for x
    x = 112,618,294.55/14,090.93
  6. Step 6: Final answer
    x = 7,992.25

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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.