Home / 9,949.89-13,730.51-5,473.60

Finding the Fourth Proportional to 9,949.89, 13,730.51 and 5,473.60

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Solution

The fourth proportional to 9,949.89, 13,730.51 and 5,473.60 is: 7,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.89 : 13,730.51 = 5,473.60 : x
  2. Step 2: Convert to fraction form
    9,949.89/13,730.51 = 5,473.60/x
  3. Step 3: Cross multiply
    9,949.89x = 13,730.51 × 5,473.60
  4. Step 4: Simplify right side
    9,949.89x = 75,155,337.51
  5. Step 5: Solve for x
    x = 75,155,337.51/9,949.89
  6. Step 6: Final answer
    x = 7,553.39

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1.5x scale

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.