Home / 12,675.56-19,029.90-10,178.08

Finding the Fourth Proportional to 12,675.56, 19,029.90 and 10,178.08

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Solution

The fourth proportional to 12,675.56, 19,029.90 and 10,178.08 is: 15,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.56 : 19,029.90 = 10,178.08 : x
  2. Step 2: Convert to fraction form
    12,675.56/19,029.90 = 10,178.08/x
  3. Step 3: Cross multiply
    12,675.56x = 19,029.90 × 10,178.08
  4. Step 4: Simplify right side
    12,675.56x = 193,687,844.59
  5. Step 5: Solve for x
    x = 193,687,844.59/12,675.56
  6. Step 6: Final answer
    x = 15,280.42

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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.