Home / 10,483.23-15,721.65-2,987.41

Finding the Fourth Proportional to 10,483.23, 15,721.65 and 2,987.41

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Solution

The fourth proportional to 10,483.23, 15,721.65 and 2,987.41 is: 4,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.23 : 15,721.65 = 2,987.41 : x
  2. Step 2: Convert to fraction form
    10,483.23/15,721.65 = 2,987.41/x
  3. Step 3: Cross multiply
    10,483.23x = 15,721.65 × 2,987.41
  4. Step 4: Simplify right side
    10,483.23x = 46,967,014.43
  5. Step 5: Solve for x
    x = 46,967,014.43/10,483.23
  6. Step 6: Final answer
    x = 4,480.20

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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.