Home / 13,336.40-19,982.04-5,929.52

Finding the Fourth Proportional to 13,336.40, 19,982.04 and 5,929.52

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Solution

The fourth proportional to 13,336.40, 19,982.04 and 5,929.52 is: 8,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.40 : 19,982.04 = 5,929.52 : x
  2. Step 2: Convert to fraction form
    13,336.40/19,982.04 = 5,929.52/x
  3. Step 3: Cross multiply
    13,336.40x = 19,982.04 × 5,929.52
  4. Step 4: Simplify right side
    13,336.40x = 118,483,905.82
  5. Step 5: Solve for x
    x = 118,483,905.82/13,336.40
  6. Step 6: Final answer
    x = 8,884.25

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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.