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Finding the Fourth Proportional to 9,996.16, 14,975.16 and 5,600.32

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Solution

The fourth proportional to 9,996.16, 14,975.16 and 5,600.32 is: 8,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.16 : 14,975.16 = 5,600.32 : x
  2. Step 2: Convert to fraction form
    9,996.16/14,975.16 = 5,600.32/x
  3. Step 3: Cross multiply
    9,996.16x = 14,975.16 × 5,600.32
  4. Step 4: Simplify right side
    9,996.16x = 83,865,688.05
  5. Step 5: Solve for x
    x = 83,865,688.05/9,996.16
  6. Step 6: Final answer
    x = 8,389.79

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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.