Home / 10,390.97-15,582.81-2,993.45

Finding the Fourth Proportional to 10,390.97, 15,582.81 and 2,993.45

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Solution

The fourth proportional to 10,390.97, 15,582.81 and 2,993.45 is: 4,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.97 : 15,582.81 = 2,993.45 : x
  2. Step 2: Convert to fraction form
    10,390.97/15,582.81 = 2,993.45/x
  3. Step 3: Cross multiply
    10,390.97x = 15,582.81 × 2,993.45
  4. Step 4: Simplify right side
    10,390.97x = 46,646,362.59
  5. Step 5: Solve for x
    x = 46,646,362.59/10,390.97
  6. Step 6: Final answer
    x = 4,489.12

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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.