Home / 12,824.70-19,239.53-4,926.63

Finding the Fourth Proportional to 12,824.70, 19,239.53 and 4,926.63

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Solution

The fourth proportional to 12,824.70, 19,239.53 and 4,926.63 is: 7,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.70 : 19,239.53 = 4,926.63 : x
  2. Step 2: Convert to fraction form
    12,824.70/19,239.53 = 4,926.63/x
  3. Step 3: Cross multiply
    12,824.70x = 19,239.53 × 4,926.63
  4. Step 4: Simplify right side
    12,824.70x = 94,786,045.68
  5. Step 5: Solve for x
    x = 94,786,045.68/12,824.70
  6. Step 6: Final answer
    x = 7,390.90

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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.