Home / 10,072.74-15,103.92-4,521.33

Finding the Fourth Proportional to 10,072.74, 15,103.92 and 4,521.33

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Solution

The fourth proportional to 10,072.74, 15,103.92 and 4,521.33 is: 6,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.74 : 15,103.92 = 4,521.33 : x
  2. Step 2: Convert to fraction form
    10,072.74/15,103.92 = 4,521.33/x
  3. Step 3: Cross multiply
    10,072.74x = 15,103.92 × 4,521.33
  4. Step 4: Simplify right side
    10,072.74x = 68,289,806.61
  5. Step 5: Solve for x
    x = 68,289,806.61/10,072.74
  6. Step 6: Final answer
    x = 6,779.67

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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.