Home / 13,948.88-19,252.81-7,984.01

Finding the Fourth Proportional to 13,948.88, 19,252.81 and 7,984.01

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Solution

The fourth proportional to 13,948.88, 19,252.81 and 7,984.01 is: 11,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.88 : 19,252.81 = 7,984.01 : x
  2. Step 2: Convert to fraction form
    13,948.88/19,252.81 = 7,984.01/x
  3. Step 3: Cross multiply
    13,948.88x = 19,252.81 × 7,984.01
  4. Step 4: Simplify right side
    13,948.88x = 153,714,539.52
  5. Step 5: Solve for x
    x = 153,714,539.52/13,948.88
  6. Step 6: Final answer
    x = 11,019.85

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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.