Home / 15,651.54-23,478.21-3,964.86

Finding the Fourth Proportional to 15,651.54, 23,478.21 and 3,964.86

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Solution

The fourth proportional to 15,651.54, 23,478.21 and 3,964.86 is: 5,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.54 : 23,478.21 = 3,964.86 : x
  2. Step 2: Convert to fraction form
    15,651.54/23,478.21 = 3,964.86/x
  3. Step 3: Cross multiply
    15,651.54x = 23,478.21 × 3,964.86
  4. Step 4: Simplify right side
    15,651.54x = 93,087,815.70
  5. Step 5: Solve for x
    x = 93,087,815.70/15,651.54
  6. Step 6: Final answer
    x = 5,947.52

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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.