Home / 12,462.86-18,705.23-6,922.46

Finding the Fourth Proportional to 12,462.86, 18,705.23 and 6,922.46

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Solution

The fourth proportional to 12,462.86, 18,705.23 and 6,922.46 is: 10,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.86 : 18,705.23 = 6,922.46 : x
  2. Step 2: Convert to fraction form
    12,462.86/18,705.23 = 6,922.46/x
  3. Step 3: Cross multiply
    12,462.86x = 18,705.23 × 6,922.46
  4. Step 4: Simplify right side
    12,462.86x = 129,486,244.58
  5. Step 5: Solve for x
    x = 129,486,244.58/12,462.86
  6. Step 6: Final answer
    x = 10,389.77

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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.