Home / 13,550.28-18,697.14-7,962.36

Finding the Fourth Proportional to 13,550.28, 18,697.14 and 7,962.36

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Solution

The fourth proportional to 13,550.28, 18,697.14 and 7,962.36 is: 10,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.28 : 18,697.14 = 7,962.36 : x
  2. Step 2: Convert to fraction form
    13,550.28/18,697.14 = 7,962.36/x
  3. Step 3: Cross multiply
    13,550.28x = 18,697.14 × 7,962.36
  4. Step 4: Simplify right side
    13,550.28x = 148,873,359.65
  5. Step 5: Solve for x
    x = 148,873,359.65/13,550.28
  6. Step 6: Final answer
    x = 10,986.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.