Home / 10,665.18-16,000.10-3,270.18

Finding the Fourth Proportional to 10,665.18, 16,000.10 and 3,270.18

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Solution

The fourth proportional to 10,665.18, 16,000.10 and 3,270.18 is: 4,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.18 : 16,000.10 = 3,270.18 : x
  2. Step 2: Convert to fraction form
    10,665.18/16,000.10 = 3,270.18/x
  3. Step 3: Cross multiply
    10,665.18x = 16,000.10 × 3,270.18
  4. Step 4: Simplify right side
    10,665.18x = 52,323,207.02
  5. Step 5: Solve for x
    x = 52,323,207.02/10,665.18
  6. Step 6: Final answer
    x = 4,905.98

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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.