Home / 21,083.68-29,094.67-12,134.06

Finding the Fourth Proportional to 21,083.68, 29,094.67 and 12,134.06

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Solution

The fourth proportional to 21,083.68, 29,094.67 and 12,134.06 is: 16,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.68 : 29,094.67 = 12,134.06 : x
  2. Step 2: Convert to fraction form
    21,083.68/29,094.67 = 12,134.06/x
  3. Step 3: Cross multiply
    21,083.68x = 29,094.67 × 12,134.06
  4. Step 4: Simplify right side
    21,083.68x = 353,036,471.46
  5. Step 5: Solve for x
    x = 353,036,471.46/21,083.68
  6. Step 6: Final answer
    x = 16,744.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.