Home / 13,825.60-19,079.28-7,537.97

Finding the Fourth Proportional to 13,825.60, 19,079.28 and 7,537.97

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Solution

The fourth proportional to 13,825.60, 19,079.28 and 7,537.97 is: 10,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.60 : 19,079.28 = 7,537.97 : x
  2. Step 2: Convert to fraction form
    13,825.60/19,079.28 = 7,537.97/x
  3. Step 3: Cross multiply
    13,825.60x = 19,079.28 × 7,537.97
  4. Step 4: Simplify right side
    13,825.60x = 143,819,087.96
  5. Step 5: Solve for x
    x = 143,819,087.96/13,825.60
  6. Step 6: Final answer
    x = 10,402.38

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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.