Home / 13,290.64-19,936.88-4,970.48

Finding the Fourth Proportional to 13,290.64, 19,936.88 and 4,970.48

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Solution

The fourth proportional to 13,290.64, 19,936.88 and 4,970.48 is: 7,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.64 : 19,936.88 = 4,970.48 : x
  2. Step 2: Convert to fraction form
    13,290.64/19,936.88 = 4,970.48/x
  3. Step 3: Cross multiply
    13,290.64x = 19,936.88 × 4,970.48
  4. Step 4: Simplify right side
    13,290.64x = 99,095,863.30
  5. Step 5: Solve for x
    x = 99,095,863.30/13,290.64
  6. Step 6: Final answer
    x = 7,456.06

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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.