Home / 12,869.68-19,302.16-4,104.76

Finding the Fourth Proportional to 12,869.68, 19,302.16 and 4,104.76

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Solution

The fourth proportional to 12,869.68, 19,302.16 and 4,104.76 is: 6,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.68 : 19,302.16 = 4,104.76 : x
  2. Step 2: Convert to fraction form
    12,869.68/19,302.16 = 4,104.76/x
  3. Step 3: Cross multiply
    12,869.68x = 19,302.16 × 4,104.76
  4. Step 4: Simplify right side
    12,869.68x = 79,230,734.28
  5. Step 5: Solve for x
    x = 79,230,734.28/12,869.68
  6. Step 6: Final answer
    x = 6,156.39

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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.