Home / 14,621.36-20,176.83-9,317.88

Finding the Fourth Proportional to 14,621.36, 20,176.83 and 9,317.88

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Solution

The fourth proportional to 14,621.36, 20,176.83 and 9,317.88 is: 12,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.36 : 20,176.83 = 9,317.88 : x
  2. Step 2: Convert to fraction form
    14,621.36/20,176.83 = 9,317.88/x
  3. Step 3: Cross multiply
    14,621.36x = 20,176.83 × 9,317.88
  4. Step 4: Simplify right side
    14,621.36x = 188,005,280.72
  5. Step 5: Solve for x
    x = 188,005,280.72/14,621.36
  6. Step 6: Final answer
    x = 12,858.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.