Home / 15,698.24-21,654.56-9,800

Finding the Fourth Proportional to 15,698.24, 21,654.56 and 9,800

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Solution

The fourth proportional to 15,698.24, 21,654.56 and 9,800 is: 13,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.24 : 21,654.56 = 9,800 : x
  2. Step 2: Convert to fraction form
    15,698.24/21,654.56 = 9,800/x
  3. Step 3: Cross multiply
    15,698.24x = 21,654.56 × 9,800
  4. Step 4: Simplify right side
    15,698.24x = 212,214,688
  5. Step 5: Solve for x
    x = 212,214,688/15,698.24
  6. Step 6: Final answer
    x = 13,518.37

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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.