Home / 10,347.54-15,521.89-2,951.43

Finding the Fourth Proportional to 10,347.54, 15,521.89 and 2,951.43

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Solution

The fourth proportional to 10,347.54, 15,521.89 and 2,951.43 is: 4,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.54 : 15,521.89 = 2,951.43 : x
  2. Step 2: Convert to fraction form
    10,347.54/15,521.89 = 2,951.43/x
  3. Step 3: Cross multiply
    10,347.54x = 15,521.89 × 2,951.43
  4. Step 4: Simplify right side
    10,347.54x = 45,811,771.80
  5. Step 5: Solve for x
    x = 45,811,771.80/10,347.54
  6. Step 6: Final answer
    x = 4,427.31

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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.