Home / 9,807.92-14,720.09-5,129.57

Finding the Fourth Proportional to 9,807.92, 14,720.09 and 5,129.57

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Solution

The fourth proportional to 9,807.92, 14,720.09 and 5,129.57 is: 7,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.92 : 14,720.09 = 5,129.57 : x
  2. Step 2: Convert to fraction form
    9,807.92/14,720.09 = 5,129.57/x
  3. Step 3: Cross multiply
    9,807.92x = 14,720.09 × 5,129.57
  4. Step 4: Simplify right side
    9,807.92x = 75,507,632.81
  5. Step 5: Solve for x
    x = 75,507,632.81/9,807.92
  6. Step 6: Final answer
    x = 7,698.64

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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.