Home / 14,137.30-21,181.65-9,204.40

Finding the Fourth Proportional to 14,137.30, 21,181.65 and 9,204.40

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Solution

The fourth proportional to 14,137.30, 21,181.65 and 9,204.40 is: 13,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.30 : 21,181.65 = 9,204.40 : x
  2. Step 2: Convert to fraction form
    14,137.30/21,181.65 = 9,204.40/x
  3. Step 3: Cross multiply
    14,137.30x = 21,181.65 × 9,204.40
  4. Step 4: Simplify right side
    14,137.30x = 194,964,379.26
  5. Step 5: Solve for x
    x = 194,964,379.26/14,137.30
  6. Step 6: Final answer
    x = 13,790.78

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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.