Home / 19,048.41-28,576.19-8,518.85

Finding the Fourth Proportional to 19,048.41, 28,576.19 and 8,518.85

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Solution

The fourth proportional to 19,048.41, 28,576.19 and 8,518.85 is: 12,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.41 : 28,576.19 = 8,518.85 : x
  2. Step 2: Convert to fraction form
    19,048.41/28,576.19 = 8,518.85/x
  3. Step 3: Cross multiply
    19,048.41x = 28,576.19 × 8,518.85
  4. Step 4: Simplify right side
    19,048.41x = 243,436,276.18
  5. Step 5: Solve for x
    x = 243,436,276.18/19,048.41
  6. Step 6: Final answer
    x = 12,779.87

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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.