Home / 11,538.60-15,919.38-7,059.84

Finding the Fourth Proportional to 11,538.60, 15,919.38 and 7,059.84

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Solution

The fourth proportional to 11,538.60, 15,919.38 and 7,059.84 is: 9,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.60 : 15,919.38 = 7,059.84 : x
  2. Step 2: Convert to fraction form
    11,538.60/15,919.38 = 7,059.84/x
  3. Step 3: Cross multiply
    11,538.60x = 15,919.38 × 7,059.84
  4. Step 4: Simplify right side
    11,538.60x = 112,388,275.70
  5. Step 5: Solve for x
    x = 112,388,275.70/11,538.60
  6. Step 6: Final answer
    x = 9,740.20

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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.