Home / 14,491.21-21,852.11-14,293.61

Finding the Fourth Proportional to 14,491.21, 21,852.11 and 14,293.61

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Solution

The fourth proportional to 14,491.21, 21,852.11 and 14,293.61 is: 21,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.21 : 21,852.11 = 14,293.61 : x
  2. Step 2: Convert to fraction form
    14,491.21/21,852.11 = 14,293.61/x
  3. Step 3: Cross multiply
    14,491.21x = 21,852.11 × 14,293.61
  4. Step 4: Simplify right side
    14,491.21x = 312,345,669.35
  5. Step 5: Solve for x
    x = 312,345,669.35/14,491.21
  6. Step 6: Final answer
    x = 21,554.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.