Home / 10,421.34-15,634.46-3,025.95

Finding the Fourth Proportional to 10,421.34, 15,634.46 and 3,025.95

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Solution

The fourth proportional to 10,421.34, 15,634.46 and 3,025.95 is: 4,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.34 : 15,634.46 = 3,025.95 : x
  2. Step 2: Convert to fraction form
    10,421.34/15,634.46 = 3,025.95/x
  3. Step 3: Cross multiply
    10,421.34x = 15,634.46 × 3,025.95
  4. Step 4: Simplify right side
    10,421.34x = 47,309,094.24
  5. Step 5: Solve for x
    x = 47,309,094.24/10,421.34
  6. Step 6: Final answer
    x = 4,539.64

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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.