Home / 19,005.94-28,516.96-10,230.60

Finding the Fourth Proportional to 19,005.94, 28,516.96 and 10,230.60

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Solution

The fourth proportional to 19,005.94, 28,516.96 and 10,230.60 is: 15,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.94 : 28,516.96 = 10,230.60 : x
  2. Step 2: Convert to fraction form
    19,005.94/28,516.96 = 10,230.60/x
  3. Step 3: Cross multiply
    19,005.94x = 28,516.96 × 10,230.60
  4. Step 4: Simplify right side
    19,005.94x = 291,745,730.70
  5. Step 5: Solve for x
    x = 291,745,730.70/19,005.94
  6. Step 6: Final answer
    x = 15,350.24

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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.