Home / 9,553.21-14,329.91-2,979.45

Finding the Fourth Proportional to 9,553.21, 14,329.91 and 2,979.45

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Solution

The fourth proportional to 9,553.21, 14,329.91 and 2,979.45 is: 4,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.21 : 14,329.91 = 2,979.45 : x
  2. Step 2: Convert to fraction form
    9,553.21/14,329.91 = 2,979.45/x
  3. Step 3: Cross multiply
    9,553.21x = 14,329.91 × 2,979.45
  4. Step 4: Simplify right side
    9,553.21x = 42,695,257.80
  5. Step 5: Solve for x
    x = 42,695,257.80/9,553.21
  6. Step 6: Final answer
    x = 4,469.21

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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.