Home / 10,646.21-15,971.22-3,625.84

Finding the Fourth Proportional to 10,646.21, 15,971.22 and 3,625.84

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Solution

The fourth proportional to 10,646.21, 15,971.22 and 3,625.84 is: 5,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.21 : 15,971.22 = 3,625.84 : x
  2. Step 2: Convert to fraction form
    10,646.21/15,971.22 = 3,625.84/x
  3. Step 3: Cross multiply
    10,646.21x = 15,971.22 × 3,625.84
  4. Step 4: Simplify right side
    10,646.21x = 57,909,048.40
  5. Step 5: Solve for x
    x = 57,909,048.40/10,646.21
  6. Step 6: Final answer
    x = 5,439.40

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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.