Home / 11,555.85-15,940.05-8,527.95

Finding the Fourth Proportional to 11,555.85, 15,940.05 and 8,527.95

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Solution

The fourth proportional to 11,555.85, 15,940.05 and 8,527.95 is: 11,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.85 : 15,940.05 = 8,527.95 : x
  2. Step 2: Convert to fraction form
    11,555.85/15,940.05 = 8,527.95/x
  3. Step 3: Cross multiply
    11,555.85x = 15,940.05 × 8,527.95
  4. Step 4: Simplify right side
    11,555.85x = 135,935,949.40
  5. Step 5: Solve for x
    x = 135,935,949.40/11,555.85
  6. Step 6: Final answer
    x = 11,763.39

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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.