Home / 21,603.22-29,814.16-12,046.20

Finding the Fourth Proportional to 21,603.22, 29,814.16 and 12,046.20

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Solution

The fourth proportional to 21,603.22, 29,814.16 and 12,046.20 is: 16,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603.22 : 29,814.16 = 12,046.20 : x
  2. Step 2: Convert to fraction form
    21,603.22/29,814.16 = 12,046.20/x
  3. Step 3: Cross multiply
    21,603.22x = 29,814.16 × 12,046.20
  4. Step 4: Simplify right side
    21,603.22x = 359,147,334.19
  5. Step 5: Solve for x
    x = 359,147,334.19/21,603.22
  6. Step 6: Final answer
    x = 16,624.71

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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.