Home / 12,832.04-19,278.88-12,123.96

Finding the Fourth Proportional to 12,832.04, 19,278.88 and 12,123.96

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Solution

The fourth proportional to 12,832.04, 19,278.88 and 12,123.96 is: 18,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.04 : 19,278.88 = 12,123.96 : x
  2. Step 2: Convert to fraction form
    12,832.04/19,278.88 = 12,123.96/x
  3. Step 3: Cross multiply
    12,832.04x = 19,278.88 × 12,123.96
  4. Step 4: Simplify right side
    12,832.04x = 233,736,369.96
  5. Step 5: Solve for x
    x = 233,736,369.96/12,832.04
  6. Step 6: Final answer
    x = 18,215.06

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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.