Home / 13,945.63-20,899.99-10,230.46

Finding the Fourth Proportional to 13,945.63, 20,899.99 and 10,230.46

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Solution

The fourth proportional to 13,945.63, 20,899.99 and 10,230.46 is: 15,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.63 : 20,899.99 = 10,230.46 : x
  2. Step 2: Convert to fraction form
    13,945.63/20,899.99 = 10,230.46/x
  3. Step 3: Cross multiply
    13,945.63x = 20,899.99 × 10,230.46
  4. Step 4: Simplify right side
    13,945.63x = 213,816,511.70
  5. Step 5: Solve for x
    x = 213,816,511.70/13,945.63
  6. Step 6: Final answer
    x = 15,332.15

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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.