Home / 13,248.88-19,844.16-7,390.96

Finding the Fourth Proportional to 13,248.88, 19,844.16 and 7,390.96

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Solution

The fourth proportional to 13,248.88, 19,844.16 and 7,390.96 is: 11,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.88 : 19,844.16 = 7,390.96 : x
  2. Step 2: Convert to fraction form
    13,248.88/19,844.16 = 7,390.96/x
  3. Step 3: Cross multiply
    13,248.88x = 19,844.16 × 7,390.96
  4. Step 4: Simplify right side
    13,248.88x = 146,667,392.79
  5. Step 5: Solve for x
    x = 146,667,392.79/13,248.88
  6. Step 6: Final answer
    x = 11,070.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.