Home / 14,898.26-20,542.78-10,857.96

Finding the Fourth Proportional to 14,898.26, 20,542.78 and 10,857.96

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Solution

The fourth proportional to 14,898.26, 20,542.78 and 10,857.96 is: 14,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.26 : 20,542.78 = 10,857.96 : x
  2. Step 2: Convert to fraction form
    14,898.26/20,542.78 = 10,857.96/x
  3. Step 3: Cross multiply
    14,898.26x = 20,542.78 × 10,857.96
  4. Step 4: Simplify right side
    14,898.26x = 223,052,683.53
  5. Step 5: Solve for x
    x = 223,052,683.53/14,898.26
  6. Step 6: Final answer
    x = 14,971.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.