Home / 16,720.89-25,081.68-4,875.56

Finding the Fourth Proportional to 16,720.89, 25,081.68 and 4,875.56

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Solution

The fourth proportional to 16,720.89, 25,081.68 and 4,875.56 is: 7,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.89 : 25,081.68 = 4,875.56 : x
  2. Step 2: Convert to fraction form
    16,720.89/25,081.68 = 4,875.56/x
  3. Step 3: Cross multiply
    16,720.89x = 25,081.68 × 4,875.56
  4. Step 4: Simplify right side
    16,720.89x = 122,287,110.33
  5. Step 5: Solve for x
    x = 122,287,110.33/16,720.89
  6. Step 6: Final answer
    x = 7,313.43

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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.