Home / 15,513.92-23,245.36-8,945.63

Finding the Fourth Proportional to 15,513.92, 23,245.36 and 8,945.63

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Solution

The fourth proportional to 15,513.92, 23,245.36 and 8,945.63 is: 13,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.92 : 23,245.36 = 8,945.63 : x
  2. Step 2: Convert to fraction form
    15,513.92/23,245.36 = 8,945.63/x
  3. Step 3: Cross multiply
    15,513.92x = 23,245.36 × 8,945.63
  4. Step 4: Simplify right side
    15,513.92x = 207,944,389.78
  5. Step 5: Solve for x
    x = 207,944,389.78/15,513.92
  6. Step 6: Final answer
    x = 13,403.73

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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.