Home / 13,304.39-19,956.60-4,985.28

Finding the Fourth Proportional to 13,304.39, 19,956.60 and 4,985.28

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Solution

The fourth proportional to 13,304.39, 19,956.60 and 4,985.28 is: 7,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.39 : 19,956.60 = 4,985.28 : x
  2. Step 2: Convert to fraction form
    13,304.39/19,956.60 = 4,985.28/x
  3. Step 3: Cross multiply
    13,304.39x = 19,956.60 × 4,985.28
  4. Step 4: Simplify right side
    13,304.39x = 99,489,238.85
  5. Step 5: Solve for x
    x = 99,489,238.85/13,304.39
  6. Step 6: Final answer
    x = 7,477.93

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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.