Home / 13,953.98-19,257.27-7,984.28

Finding the Fourth Proportional to 13,953.98, 19,257.27 and 7,984.28

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Solution

The fourth proportional to 13,953.98, 19,257.27 and 7,984.28 is: 11,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.98 : 19,257.27 = 7,984.28 : x
  2. Step 2: Convert to fraction form
    13,953.98/19,257.27 = 7,984.28/x
  3. Step 3: Cross multiply
    13,953.98x = 19,257.27 × 7,984.28
  4. Step 4: Simplify right side
    13,953.98x = 153,755,435.72
  5. Step 5: Solve for x
    x = 153,755,435.72/13,953.98
  6. Step 6: Final answer
    x = 11,018.75

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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.