Home / 10,444.23-15,655.37-3,422.43

Finding the Fourth Proportional to 10,444.23, 15,655.37 and 3,422.43

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Solution

The fourth proportional to 10,444.23, 15,655.37 and 3,422.43 is: 5,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444.23 : 15,655.37 = 3,422.43 : x
  2. Step 2: Convert to fraction form
    10,444.23/15,655.37 = 3,422.43/x
  3. Step 3: Cross multiply
    10,444.23x = 15,655.37 × 3,422.43
  4. Step 4: Simplify right side
    10,444.23x = 53,579,390.84
  5. Step 5: Solve for x
    x = 53,579,390.84/10,444.23
  6. Step 6: Final answer
    x = 5,130.05

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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.