Home / 12,679.68-19,013.96-6,018.08

Finding the Fourth Proportional to 12,679.68, 19,013.96 and 6,018.08

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Solution

The fourth proportional to 12,679.68, 19,013.96 and 6,018.08 is: 9,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.68 : 19,013.96 = 6,018.08 : x
  2. Step 2: Convert to fraction form
    12,679.68/19,013.96 = 6,018.08/x
  3. Step 3: Cross multiply
    12,679.68x = 19,013.96 × 6,018.08
  4. Step 4: Simplify right side
    12,679.68x = 114,427,532.40
  5. Step 5: Solve for x
    x = 114,427,532.40/12,679.68
  6. Step 6: Final answer
    x = 9,024.48

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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.