Home / 14,004.62-19,326.38-7,631.21

Finding the Fourth Proportional to 14,004.62, 19,326.38 and 7,631.21

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Solution

The fourth proportional to 14,004.62, 19,326.38 and 7,631.21 is: 10,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.62 : 19,326.38 = 7,631.21 : x
  2. Step 2: Convert to fraction form
    14,004.62/19,326.38 = 7,631.21/x
  3. Step 3: Cross multiply
    14,004.62x = 19,326.38 × 7,631.21
  4. Step 4: Simplify right side
    14,004.62x = 147,483,709.14
  5. Step 5: Solve for x
    x = 147,483,709.14/14,004.62
  6. Step 6: Final answer
    x = 10,531.07

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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.