Home / 12,550.84-18,818.88-4,760.20

Finding the Fourth Proportional to 12,550.84, 18,818.88 and 4,760.20

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Solution

The fourth proportional to 12,550.84, 18,818.88 and 4,760.20 is: 7,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.84 : 18,818.88 = 4,760.20 : x
  2. Step 2: Convert to fraction form
    12,550.84/18,818.88 = 4,760.20/x
  3. Step 3: Cross multiply
    12,550.84x = 18,818.88 × 4,760.20
  4. Step 4: Simplify right side
    12,550.84x = 89,581,632.58
  5. Step 5: Solve for x
    x = 89,581,632.58/12,550.84
  6. Step 6: Final answer
    x = 7,137.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.