Home / 13,952.52-19,257.79-7,987.63

Finding the Fourth Proportional to 13,952.52, 19,257.79 and 7,987.63

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Solution

The fourth proportional to 13,952.52, 19,257.79 and 7,987.63 is: 11,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.52 : 19,257.79 = 7,987.63 : x
  2. Step 2: Convert to fraction form
    13,952.52/19,257.79 = 7,987.63/x
  3. Step 3: Cross multiply
    13,952.52x = 19,257.79 × 7,987.63
  4. Step 4: Simplify right side
    13,952.52x = 153,824,072.96
  5. Step 5: Solve for x
    x = 153,824,072.96/13,952.52
  6. Step 6: Final answer
    x = 11,024.83

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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.