Home / 12,474.42-18,712.44-4,154.10

Finding the Fourth Proportional to 12,474.42, 18,712.44 and 4,154.10

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Solution

The fourth proportional to 12,474.42, 18,712.44 and 4,154.10 is: 6,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.42 : 18,712.44 = 4,154.10 : x
  2. Step 2: Convert to fraction form
    12,474.42/18,712.44 = 4,154.10/x
  3. Step 3: Cross multiply
    12,474.42x = 18,712.44 × 4,154.10
  4. Step 4: Simplify right side
    12,474.42x = 77,733,347.00
  5. Step 5: Solve for x
    x = 77,733,347.00/12,474.42
  6. Step 6: Final answer
    x = 6,231.42

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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.