Home / 15,917.20-23,879.90-14,916.64

Finding the Fourth Proportional to 15,917.20, 23,879.90 and 14,916.64

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Solution

The fourth proportional to 15,917.20, 23,879.90 and 14,916.64 is: 22,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.20 : 23,879.90 = 14,916.64 : x
  2. Step 2: Convert to fraction form
    15,917.20/23,879.90 = 14,916.64/x
  3. Step 3: Cross multiply
    15,917.20x = 23,879.90 × 14,916.64
  4. Step 4: Simplify right side
    15,917.20x = 356,207,871.54
  5. Step 5: Solve for x
    x = 356,207,871.54/15,917.20
  6. Step 6: Final answer
    x = 22,378.80

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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.