Home / 13,290.34-19,935.99-4,524.12

Finding the Fourth Proportional to 13,290.34, 19,935.99 and 4,524.12

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Solution

The fourth proportional to 13,290.34, 19,935.99 and 4,524.12 is: 6,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.34 : 19,935.99 = 4,524.12 : x
  2. Step 2: Convert to fraction form
    13,290.34/19,935.99 = 4,524.12/x
  3. Step 3: Cross multiply
    13,290.34x = 19,935.99 × 4,524.12
  4. Step 4: Simplify right side
    13,290.34x = 90,192,688.78
  5. Step 5: Solve for x
    x = 90,192,688.78/13,290.34
  6. Step 6: Final answer
    x = 6,786.33

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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.