Home / 9,996.90-15,000.93-3,761.34

Finding the Fourth Proportional to 9,996.90, 15,000.93 and 3,761.34

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Solution

The fourth proportional to 9,996.90, 15,000.93 and 3,761.34 is: 5,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.90 : 15,000.93 = 3,761.34 : x
  2. Step 2: Convert to fraction form
    9,996.90/15,000.93 = 3,761.34/x
  3. Step 3: Cross multiply
    9,996.90x = 15,000.93 × 3,761.34
  4. Step 4: Simplify right side
    9,996.90x = 56,423,598.05
  5. Step 5: Solve for x
    x = 56,423,598.05/9,996.90
  6. Step 6: Final answer
    x = 5,644.11

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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.