Home / 21,052.92-29,048.58-12,099.72

Finding the Fourth Proportional to 21,052.92, 29,048.58 and 12,099.72

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Solution

The fourth proportional to 21,052.92, 29,048.58 and 12,099.72 is: 16,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.92 : 29,048.58 = 12,099.72 : x
  2. Step 2: Convert to fraction form
    21,052.92/29,048.58 = 12,099.72/x
  3. Step 3: Cross multiply
    21,052.92x = 29,048.58 × 12,099.72
  4. Step 4: Simplify right side
    21,052.92x = 351,479,684.40
  5. Step 5: Solve for x
    x = 351,479,684.40/21,052.92
  6. Step 6: Final answer
    x = 16,695.06

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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.