Home / 21,446.75-29,597.73-12,018.35

Finding the Fourth Proportional to 21,446.75, 29,597.73 and 12,018.35

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Solution

The fourth proportional to 21,446.75, 29,597.73 and 12,018.35 is: 16,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.75 : 29,597.73 = 12,018.35 : x
  2. Step 2: Convert to fraction form
    21,446.75/29,597.73 = 12,018.35/x
  3. Step 3: Cross multiply
    21,446.75x = 29,597.73 × 12,018.35
  4. Step 4: Simplify right side
    21,446.75x = 355,715,878.35
  5. Step 5: Solve for x
    x = 355,715,878.35/21,446.75
  6. Step 6: Final answer
    x = 16,586.00

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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.