Home / 21,373.84-29,491.23-12,416.73

Finding the Fourth Proportional to 21,373.84, 29,491.23 and 12,416.73

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Solution

The fourth proportional to 21,373.84, 29,491.23 and 12,416.73 is: 17,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.84 : 29,491.23 = 12,416.73 : x
  2. Step 2: Convert to fraction form
    21,373.84/29,491.23 = 12,416.73/x
  3. Step 3: Cross multiply
    21,373.84x = 29,491.23 × 12,416.73
  4. Step 4: Simplify right side
    21,373.84x = 366,184,640.28
  5. Step 5: Solve for x
    x = 366,184,640.28/21,373.84
  6. Step 6: Final answer
    x = 17,132.37

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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.