Home / 14,181.89-21,284.17-6,391.31

Finding the Fourth Proportional to 14,181.89, 21,284.17 and 6,391.31

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Solution

The fourth proportional to 14,181.89, 21,284.17 and 6,391.31 is: 9,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.89 : 21,284.17 = 6,391.31 : x
  2. Step 2: Convert to fraction form
    14,181.89/21,284.17 = 6,391.31/x
  3. Step 3: Cross multiply
    14,181.89x = 21,284.17 × 6,391.31
  4. Step 4: Simplify right side
    14,181.89x = 136,033,606.16
  5. Step 5: Solve for x
    x = 136,033,606.16/14,181.89
  6. Step 6: Final answer
    x = 9,592.07

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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.