Home / 13,329.62-19,952.49-9,145.16

Finding the Fourth Proportional to 13,329.62, 19,952.49 and 9,145.16

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Solution

The fourth proportional to 13,329.62, 19,952.49 and 9,145.16 is: 13,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.62 : 19,952.49 = 9,145.16 : x
  2. Step 2: Convert to fraction form
    13,329.62/19,952.49 = 9,145.16/x
  3. Step 3: Cross multiply
    13,329.62x = 19,952.49 × 9,145.16
  4. Step 4: Simplify right side
    13,329.62x = 182,468,713.45
  5. Step 5: Solve for x
    x = 182,468,713.45/13,329.62
  6. Step 6: Final answer
    x = 13,688.97

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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.