Home / 10,956.29-16,438.57-6,576.80

Finding the Fourth Proportional to 10,956.29, 16,438.57 and 6,576.80

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Solution

The fourth proportional to 10,956.29, 16,438.57 and 6,576.80 is: 9,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.29 : 16,438.57 = 6,576.80 : x
  2. Step 2: Convert to fraction form
    10,956.29/16,438.57 = 6,576.80/x
  3. Step 3: Cross multiply
    10,956.29x = 16,438.57 × 6,576.80
  4. Step 4: Simplify right side
    10,956.29x = 108,113,088.54
  5. Step 5: Solve for x
    x = 108,113,088.54/10,956.29
  6. Step 6: Final answer
    x = 9,867.68

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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.