Home / 11,140.70-15,357.88-8,483.50

Finding the Fourth Proportional to 11,140.70, 15,357.88 and 8,483.50

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Solution

The fourth proportional to 11,140.70, 15,357.88 and 8,483.50 is: 11,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.70 : 15,357.88 = 8,483.50 : x
  2. Step 2: Convert to fraction form
    11,140.70/15,357.88 = 8,483.50/x
  3. Step 3: Cross multiply
    11,140.70x = 15,357.88 × 8,483.50
  4. Step 4: Simplify right side
    11,140.70x = 130,288,574.98
  5. Step 5: Solve for x
    x = 130,288,574.98/11,140.70
  6. Step 6: Final answer
    x = 11,694.83

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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.