Home / 19,179.34-26,461.14-11,215.92

Finding the Fourth Proportional to 19,179.34, 26,461.14 and 11,215.92

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Solution

The fourth proportional to 19,179.34, 26,461.14 and 11,215.92 is: 15,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.34 : 26,461.14 = 11,215.92 : x
  2. Step 2: Convert to fraction form
    19,179.34/26,461.14 = 11,215.92/x
  3. Step 3: Cross multiply
    19,179.34x = 26,461.14 × 11,215.92
  4. Step 4: Simplify right side
    19,179.34x = 296,786,029.35
  5. Step 5: Solve for x
    x = 296,786,029.35/19,179.34
  6. Step 6: Final answer
    x = 15,474.26

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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.