Home / 15,578.20-23,318.70-12,273.40

Finding the Fourth Proportional to 15,578.20, 23,318.70 and 12,273.40

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Solution

The fourth proportional to 15,578.20, 23,318.70 and 12,273.40 is: 18,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.20 : 23,318.70 = 12,273.40 : x
  2. Step 2: Convert to fraction form
    15,578.20/23,318.70 = 12,273.40/x
  3. Step 3: Cross multiply
    15,578.20x = 23,318.70 × 12,273.40
  4. Step 4: Simplify right side
    15,578.20x = 286,199,732.58
  5. Step 5: Solve for x
    x = 286,199,732.58/15,578.20
  6. Step 6: Final answer
    x = 18,371.81

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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.