Home / 13,825.35-19,079.07-7,537.71

Finding the Fourth Proportional to 13,825.35, 19,079.07 and 7,537.71

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Solution

The fourth proportional to 13,825.35, 19,079.07 and 7,537.71 is: 10,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.35 : 19,079.07 = 7,537.71 : x
  2. Step 2: Convert to fraction form
    13,825.35/19,079.07 = 7,537.71/x
  3. Step 3: Cross multiply
    13,825.35x = 19,079.07 × 7,537.71
  4. Step 4: Simplify right side
    13,825.35x = 143,812,496.73
  5. Step 5: Solve for x
    x = 143,812,496.73/13,825.35
  6. Step 6: Final answer
    x = 10,402.09

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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.