Home / 12,454.70-18,675.50-6,126.84

Finding the Fourth Proportional to 12,454.70, 18,675.50 and 6,126.84

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Solution

The fourth proportional to 12,454.70, 18,675.50 and 6,126.84 is: 9,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.70 : 18,675.50 = 6,126.84 : x
  2. Step 2: Convert to fraction form
    12,454.70/18,675.50 = 6,126.84/x
  3. Step 3: Cross multiply
    12,454.70x = 18,675.50 × 6,126.84
  4. Step 4: Simplify right side
    12,454.70x = 114,421,769.79
  5. Step 5: Solve for x
    x = 114,421,769.79/12,454.70
  6. Step 6: Final answer
    x = 9,187.04

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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.