Home / 9,784.20-14,650.38-5,157.48

Finding the Fourth Proportional to 9,784.20, 14,650.38 and 5,157.48

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Solution

The fourth proportional to 9,784.20, 14,650.38 and 5,157.48 is: 7,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.20 : 14,650.38 = 5,157.48 : x
  2. Step 2: Convert to fraction form
    9,784.20/14,650.38 = 5,157.48/x
  3. Step 3: Cross multiply
    9,784.20x = 14,650.38 × 5,157.48
  4. Step 4: Simplify right side
    9,784.20x = 75,559,041.84
  5. Step 5: Solve for x
    x = 75,559,041.84/9,784.20
  6. Step 6: Final answer
    x = 7,722.56

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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.