Home / 10,011.40-15,000.64-3,433.96

Finding the Fourth Proportional to 10,011.40, 15,000.64 and 3,433.96

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Solution

The fourth proportional to 10,011.40, 15,000.64 and 3,433.96 is: 5,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.40 : 15,000.64 = 3,433.96 : x
  2. Step 2: Convert to fraction form
    10,011.40/15,000.64 = 3,433.96/x
  3. Step 3: Cross multiply
    10,011.40x = 15,000.64 × 3,433.96
  4. Step 4: Simplify right side
    10,011.40x = 51,511,597.73
  5. Step 5: Solve for x
    x = 51,511,597.73/10,011.40
  6. Step 6: Final answer
    x = 5,145.29

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1.5x scale

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.