Home / 12,260.84-18,385.86-3,493.76

Finding the Fourth Proportional to 12,260.84, 18,385.86 and 3,493.76

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Solution

The fourth proportional to 12,260.84, 18,385.86 and 3,493.76 is: 5,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.84 : 18,385.86 = 3,493.76 : x
  2. Step 2: Convert to fraction form
    12,260.84/18,385.86 = 3,493.76/x
  3. Step 3: Cross multiply
    12,260.84x = 18,385.86 × 3,493.76
  4. Step 4: Simplify right side
    12,260.84x = 64,235,782.23
  5. Step 5: Solve for x
    x = 64,235,782.23/12,260.84
  6. Step 6: Final answer
    x = 5,239.10

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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.