Home / 16,856.56-25,280.76-5,169.88

Finding the Fourth Proportional to 16,856.56, 25,280.76 and 5,169.88

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Solution

The fourth proportional to 16,856.56, 25,280.76 and 5,169.88 is: 7,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.56 : 25,280.76 = 5,169.88 : x
  2. Step 2: Convert to fraction form
    16,856.56/25,280.76 = 5,169.88/x
  3. Step 3: Cross multiply
    16,856.56x = 25,280.76 × 5,169.88
  4. Step 4: Simplify right side
    16,856.56x = 130,698,495.51
  5. Step 5: Solve for x
    x = 130,698,495.51/16,856.56
  6. Step 6: Final answer
    x = 7,753.57

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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.