Home / 21,246.03-29,318.76-11,814.39

Finding the Fourth Proportional to 21,246.03, 29,318.76 and 11,814.39

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Solution

The fourth proportional to 21,246.03, 29,318.76 and 11,814.39 is: 16,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.03 : 29,318.76 = 11,814.39 : x
  2. Step 2: Convert to fraction form
    21,246.03/29,318.76 = 11,814.39/x
  3. Step 3: Cross multiply
    21,246.03x = 29,318.76 × 11,814.39
  4. Step 4: Simplify right side
    21,246.03x = 346,383,264.96
  5. Step 5: Solve for x
    x = 346,383,264.96/21,246.03
  6. Step 6: Final answer
    x = 16,303.43

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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.