Home / 21,418.34-29,560.41-12,341.93

Finding the Fourth Proportional to 21,418.34, 29,560.41 and 12,341.93

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Solution

The fourth proportional to 21,418.34, 29,560.41 and 12,341.93 is: 17,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.34 : 29,560.41 = 12,341.93 : x
  2. Step 2: Convert to fraction form
    21,418.34/29,560.41 = 12,341.93/x
  3. Step 3: Cross multiply
    21,418.34x = 29,560.41 × 12,341.93
  4. Step 4: Simplify right side
    21,418.34x = 364,832,510.99
  5. Step 5: Solve for x
    x = 364,832,510.99/21,418.34
  6. Step 6: Final answer
    x = 17,033.65

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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.