Home / 8,984.48-13,476.96-3,141.12

Finding the Fourth Proportional to 8,984.48, 13,476.96 and 3,141.12

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Solution

The fourth proportional to 8,984.48, 13,476.96 and 3,141.12 is: 4,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.48 : 13,476.96 = 3,141.12 : x
  2. Step 2: Convert to fraction form
    8,984.48/13,476.96 = 3,141.12/x
  3. Step 3: Cross multiply
    8,984.48x = 13,476.96 × 3,141.12
  4. Step 4: Simplify right side
    8,984.48x = 42,332,748.60
  5. Step 5: Solve for x
    x = 42,332,748.60/8,984.48
  6. Step 6: Final answer
    x = 4,711.76

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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.