Home / 14,545.20-21,769.20-12,795.60

Finding the Fourth Proportional to 14,545.20, 21,769.20 and 12,795.60

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Solution

The fourth proportional to 14,545.20, 21,769.20 and 12,795.60 is: 19,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.20 : 21,769.20 = 12,795.60 : x
  2. Step 2: Convert to fraction form
    14,545.20/21,769.20 = 12,795.60/x
  3. Step 3: Cross multiply
    14,545.20x = 21,769.20 × 12,795.60
  4. Step 4: Simplify right side
    14,545.20x = 278,549,975.52
  5. Step 5: Solve for x
    x = 278,549,975.52/14,545.20
  6. Step 6: Final answer
    x = 19,150.65

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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.