Home / 12,813.46-19,192.35-6,225.78

Finding the Fourth Proportional to 12,813.46, 19,192.35 and 6,225.78

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Solution

The fourth proportional to 12,813.46, 19,192.35 and 6,225.78 is: 9,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.46 : 19,192.35 = 6,225.78 : x
  2. Step 2: Convert to fraction form
    12,813.46/19,192.35 = 6,225.78/x
  3. Step 3: Cross multiply
    12,813.46x = 19,192.35 × 6,225.78
  4. Step 4: Simplify right side
    12,813.46x = 119,487,348.78
  5. Step 5: Solve for x
    x = 119,487,348.78/12,813.46
  6. Step 6: Final answer
    x = 9,325.14

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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.