Home / 13,047.58-18,007.52-8,584.28

Finding the Fourth Proportional to 13,047.58, 18,007.52 and 8,584.28

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Solution

The fourth proportional to 13,047.58, 18,007.52 and 8,584.28 is: 11,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.58 : 18,007.52 = 8,584.28 : x
  2. Step 2: Convert to fraction form
    13,047.58/18,007.52 = 8,584.28/x
  3. Step 3: Cross multiply
    13,047.58x = 18,007.52 × 8,584.28
  4. Step 4: Simplify right side
    13,047.58x = 154,581,528.35
  5. Step 5: Solve for x
    x = 154,581,528.35/13,047.58
  6. Step 6: Final answer
    x = 11,847.52

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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.