Home / 10,445.18-15,671.01-3,425.25

Finding the Fourth Proportional to 10,445.18, 15,671.01 and 3,425.25

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Solution

The fourth proportional to 10,445.18, 15,671.01 and 3,425.25 is: 5,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.18 : 15,671.01 = 3,425.25 : x
  2. Step 2: Convert to fraction form
    10,445.18/15,671.01 = 3,425.25/x
  3. Step 3: Cross multiply
    10,445.18x = 15,671.01 × 3,425.25
  4. Step 4: Simplify right side
    10,445.18x = 53,677,127.00
  5. Step 5: Solve for x
    x = 53,677,127.00/10,445.18
  6. Step 6: Final answer
    x = 5,138.94

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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.