Home / 21,057.81-29,060.00-11,626.35

Finding the Fourth Proportional to 21,057.81, 29,060.00 and 11,626.35

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Solution

The fourth proportional to 21,057.81, 29,060.00 and 11,626.35 is: 16,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.81 : 29,060.00 = 11,626.35 : x
  2. Step 2: Convert to fraction form
    21,057.81/29,060.00 = 11,626.35/x
  3. Step 3: Cross multiply
    21,057.81x = 29,060.00 × 11,626.35
  4. Step 4: Simplify right side
    21,057.81x = 337,861,672.87
  5. Step 5: Solve for x
    x = 337,861,672.87/21,057.81
  6. Step 6: Final answer
    x = 16,044.48

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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.