Home / 19,511.55-29,246.33-8,423.46

Finding the Fourth Proportional to 19,511.55, 29,246.33 and 8,423.46

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Solution

The fourth proportional to 19,511.55, 29,246.33 and 8,423.46 is: 12,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.55 : 29,246.33 = 8,423.46 : x
  2. Step 2: Convert to fraction form
    19,511.55/29,246.33 = 8,423.46/x
  3. Step 3: Cross multiply
    19,511.55x = 29,246.33 × 8,423.46
  4. Step 4: Simplify right side
    19,511.55x = 246,355,311.96
  5. Step 5: Solve for x
    x = 246,355,311.96/19,511.55
  6. Step 6: Final answer
    x = 12,626.13

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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.