Home / 19,189.49-26,472.98-11,228.21

Finding the Fourth Proportional to 19,189.49, 26,472.98 and 11,228.21

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Solution

The fourth proportional to 19,189.49, 26,472.98 and 11,228.21 is: 15,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.49 : 26,472.98 = 11,228.21 : x
  2. Step 2: Convert to fraction form
    19,189.49/26,472.98 = 11,228.21/x
  3. Step 3: Cross multiply
    19,189.49x = 26,472.98 × 11,228.21
  4. Step 4: Simplify right side
    19,189.49x = 297,243,990.26
  5. Step 5: Solve for x
    x = 297,243,990.26/19,189.49
  6. Step 6: Final answer
    x = 15,489.94

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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.