Home / 9,980.24-13,772.45-5,504.02

Finding the Fourth Proportional to 9,980.24, 13,772.45 and 5,504.02

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Solution

The fourth proportional to 9,980.24, 13,772.45 and 5,504.02 is: 7,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.24 : 13,772.45 = 5,504.02 : x
  2. Step 2: Convert to fraction form
    9,980.24/13,772.45 = 5,504.02/x
  3. Step 3: Cross multiply
    9,980.24x = 13,772.45 × 5,504.02
  4. Step 4: Simplify right side
    9,980.24x = 75,803,819.58
  5. Step 5: Solve for x
    x = 75,803,819.58/9,980.24
  6. Step 6: Final answer
    x = 7,595.39

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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.