Home / 15,386.08-23,120.79-8,371.27

Finding the Fourth Proportional to 15,386.08, 23,120.79 and 8,371.27

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Solution

The fourth proportional to 15,386.08, 23,120.79 and 8,371.27 is: 12,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.08 : 23,120.79 = 8,371.27 : x
  2. Step 2: Convert to fraction form
    15,386.08/23,120.79 = 8,371.27/x
  3. Step 3: Cross multiply
    15,386.08x = 23,120.79 × 8,371.27
  4. Step 4: Simplify right side
    15,386.08x = 193,550,375.70
  5. Step 5: Solve for x
    x = 193,550,375.70/15,386.08
  6. Step 6: Final answer
    x = 12,579.58

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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.