Home / 11,582.70-15,984.12-6,277.50

Finding the Fourth Proportional to 11,582.70, 15,984.12 and 6,277.50

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Solution

The fourth proportional to 11,582.70, 15,984.12 and 6,277.50 is: 8,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.70 : 15,984.12 = 6,277.50 : x
  2. Step 2: Convert to fraction form
    11,582.70/15,984.12 = 6,277.50/x
  3. Step 3: Cross multiply
    11,582.70x = 15,984.12 × 6,277.50
  4. Step 4: Simplify right side
    11,582.70x = 100,340,313.30
  5. Step 5: Solve for x
    x = 100,340,313.30/11,582.70
  6. Step 6: Final answer
    x = 8,662.95

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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.