Home / 14,226.80-19,631.88-8,175.08

Finding the Fourth Proportional to 14,226.80, 19,631.88 and 8,175.08

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Solution

The fourth proportional to 14,226.80, 19,631.88 and 8,175.08 is: 11,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.80 : 19,631.88 = 8,175.08 : x
  2. Step 2: Convert to fraction form
    14,226.80/19,631.88 = 8,175.08/x
  3. Step 3: Cross multiply
    14,226.80x = 19,631.88 × 8,175.08
  4. Step 4: Simplify right side
    14,226.80x = 160,492,091.39
  5. Step 5: Solve for x
    x = 160,492,091.39/14,226.80
  6. Step 6: Final answer
    x = 11,280.97

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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.