Home / 10,680.40-16,022.80-3,660.94

Finding the Fourth Proportional to 10,680.40, 16,022.80 and 3,660.94

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Solution

The fourth proportional to 10,680.40, 16,022.80 and 3,660.94 is: 5,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.40 : 16,022.80 = 3,660.94 : x
  2. Step 2: Convert to fraction form
    10,680.40/16,022.80 = 3,660.94/x
  3. Step 3: Cross multiply
    10,680.40x = 16,022.80 × 3,660.94
  4. Step 4: Simplify right side
    10,680.40x = 58,658,509.43
  5. Step 5: Solve for x
    x = 58,658,509.43/10,680.40
  6. Step 6: Final answer
    x = 5,492.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.