Home / 12,554.70-18,848.46-10,619.22

Finding the Fourth Proportional to 12,554.70, 18,848.46 and 10,619.22

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Solution

The fourth proportional to 12,554.70, 18,848.46 and 10,619.22 is: 15,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.70 : 18,848.46 = 10,619.22 : x
  2. Step 2: Convert to fraction form
    12,554.70/18,848.46 = 10,619.22/x
  3. Step 3: Cross multiply
    12,554.70x = 18,848.46 × 10,619.22
  4. Step 4: Simplify right side
    12,554.70x = 200,155,943.40
  5. Step 5: Solve for x
    x = 200,155,943.40/12,554.70
  6. Step 6: Final answer
    x = 15,942.71

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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.