Home / 13,955.03-19,257.97-7,581.65

Finding the Fourth Proportional to 13,955.03, 19,257.97 and 7,581.65

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Solution

The fourth proportional to 13,955.03, 19,257.97 and 7,581.65 is: 10,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.03 : 19,257.97 = 7,581.65 : x
  2. Step 2: Convert to fraction form
    13,955.03/19,257.97 = 7,581.65/x
  3. Step 3: Cross multiply
    13,955.03x = 19,257.97 × 7,581.65
  4. Step 4: Simplify right side
    13,955.03x = 146,007,217.44
  5. Step 5: Solve for x
    x = 146,007,217.44/13,955.03
  6. Step 6: Final answer
    x = 10,462.69

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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.