Home / 19,230.10-28,848.93-8,136.70

Finding the Fourth Proportional to 19,230.10, 28,848.93 and 8,136.70

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Solution

The fourth proportional to 19,230.10, 28,848.93 and 8,136.70 is: 12,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.10 : 28,848.93 = 8,136.70 : x
  2. Step 2: Convert to fraction form
    19,230.10/28,848.93 = 8,136.70/x
  3. Step 3: Cross multiply
    19,230.10x = 28,848.93 × 8,136.70
  4. Step 4: Simplify right side
    19,230.10x = 234,735,088.73
  5. Step 5: Solve for x
    x = 234,735,088.73/19,230.10
  6. Step 6: Final answer
    x = 12,206.65

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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.