Home / 10,665.02-16,000.78-6,273.20

Finding the Fourth Proportional to 10,665.02, 16,000.78 and 6,273.20

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Solution

The fourth proportional to 10,665.02, 16,000.78 and 6,273.20 is: 9,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.02 : 16,000.78 = 6,273.20 : x
  2. Step 2: Convert to fraction form
    10,665.02/16,000.78 = 6,273.20/x
  3. Step 3: Cross multiply
    10,665.02x = 16,000.78 × 6,273.20
  4. Step 4: Simplify right side
    10,665.02x = 100,376,093.10
  5. Step 5: Solve for x
    x = 100,376,093.10/10,665.02
  6. Step 6: Final answer
    x = 9,411.71

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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.