Home / 14,090.96-21,130.22-4,228.35

Finding the Fourth Proportional to 14,090.96, 21,130.22 and 4,228.35

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Solution

The fourth proportional to 14,090.96, 21,130.22 and 4,228.35 is: 6,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.96 : 21,130.22 = 4,228.35 : x
  2. Step 2: Convert to fraction form
    14,090.96/21,130.22 = 4,228.35/x
  3. Step 3: Cross multiply
    14,090.96x = 21,130.22 × 4,228.35
  4. Step 4: Simplify right side
    14,090.96x = 89,345,992.14
  5. Step 5: Solve for x
    x = 89,345,992.14/14,090.96
  6. Step 6: Final answer
    x = 6,340.66

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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.