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Finding the Fourth Proportional to 15,999.72, 24,000.12 and 4,313.04

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Solution

The fourth proportional to 15,999.72, 24,000.12 and 4,313.04 is: 6,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.72 : 24,000.12 = 4,313.04 : x
  2. Step 2: Convert to fraction form
    15,999.72/24,000.12 = 4,313.04/x
  3. Step 3: Cross multiply
    15,999.72x = 24,000.12 × 4,313.04
  4. Step 4: Simplify right side
    15,999.72x = 103,513,477.56
  5. Step 5: Solve for x
    x = 103,513,477.56/15,999.72
  6. Step 6: Final answer
    x = 6,469.71

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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.