Home / 13,839.52-19,098.48-7,551.88

Finding the Fourth Proportional to 13,839.52, 19,098.48 and 7,551.88

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Solution

The fourth proportional to 13,839.52, 19,098.48 and 7,551.88 is: 10,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.52 : 19,098.48 = 7,551.88 : x
  2. Step 2: Convert to fraction form
    13,839.52/19,098.48 = 7,551.88/x
  3. Step 3: Cross multiply
    13,839.52x = 19,098.48 × 7,551.88
  4. Step 4: Simplify right side
    13,839.52x = 144,229,429.14
  5. Step 5: Solve for x
    x = 144,229,429.14/13,839.52
  6. Step 6: Final answer
    x = 10,421.56

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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.