Home / 10,815.15-16,225.38-4,576.71

Finding the Fourth Proportional to 10,815.15, 16,225.38 and 4,576.71

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Solution

The fourth proportional to 10,815.15, 16,225.38 and 4,576.71 is: 6,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.15 : 16,225.38 = 4,576.71 : x
  2. Step 2: Convert to fraction form
    10,815.15/16,225.38 = 4,576.71/x
  3. Step 3: Cross multiply
    10,815.15x = 16,225.38 × 4,576.71
  4. Step 4: Simplify right side
    10,815.15x = 74,258,858.90
  5. Step 5: Solve for x
    x = 74,258,858.90/10,815.15
  6. Step 6: Final answer
    x = 6,866.19

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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.