Home / 16,856.98-25,318.28-13,739.29

Finding the Fourth Proportional to 16,856.98, 25,318.28 and 13,739.29

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Solution

The fourth proportional to 16,856.98, 25,318.28 and 13,739.29 is: 20,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.98 : 25,318.28 = 13,739.29 : x
  2. Step 2: Convert to fraction form
    16,856.98/25,318.28 = 13,739.29/x
  3. Step 3: Cross multiply
    16,856.98x = 25,318.28 × 13,739.29
  4. Step 4: Simplify right side
    16,856.98x = 347,855,191.22
  5. Step 5: Solve for x
    x = 347,855,191.22/16,856.98
  6. Step 6: Final answer
    x = 20,635.68

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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.