Home / 16,879.68-25,337.34-13,795.20

Finding the Fourth Proportional to 16,879.68, 25,337.34 and 13,795.20

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Solution

The fourth proportional to 16,879.68, 25,337.34 and 13,795.20 is: 20,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.68 : 25,337.34 = 13,795.20 : x
  2. Step 2: Convert to fraction form
    16,879.68/25,337.34 = 13,795.20/x
  3. Step 3: Cross multiply
    16,879.68x = 25,337.34 × 13,795.20
  4. Step 4: Simplify right side
    16,879.68x = 349,533,672.77
  5. Step 5: Solve for x
    x = 349,533,672.77/16,879.68
  6. Step 6: Final answer
    x = 20,707.36

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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.