Home / 12,451.49-18,679.05-4,554.39

Finding the Fourth Proportional to 12,451.49, 18,679.05 and 4,554.39

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Solution

The fourth proportional to 12,451.49, 18,679.05 and 4,554.39 is: 6,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.49 : 18,679.05 = 4,554.39 : x
  2. Step 2: Convert to fraction form
    12,451.49/18,679.05 = 4,554.39/x
  3. Step 3: Cross multiply
    12,451.49x = 18,679.05 × 4,554.39
  4. Step 4: Simplify right side
    12,451.49x = 85,071,678.53
  5. Step 5: Solve for x
    x = 85,071,678.53/12,451.49
  6. Step 6: Final answer
    x = 6,832.25

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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.