Home / 12,927.90-19,394.55-4,168.83

Finding the Fourth Proportional to 12,927.90, 19,394.55 and 4,168.83

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Solution

The fourth proportional to 12,927.90, 19,394.55 and 4,168.83 is: 6,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.90 : 19,394.55 = 4,168.83 : x
  2. Step 2: Convert to fraction form
    12,927.90/19,394.55 = 4,168.83/x
  3. Step 3: Cross multiply
    12,927.90x = 19,394.55 × 4,168.83
  4. Step 4: Simplify right side
    12,927.90x = 80,852,581.88
  5. Step 5: Solve for x
    x = 80,852,581.88/12,927.90
  6. Step 6: Final answer
    x = 6,254.12

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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.