Home / 10,454.04-15,680.94-2,556.72

Finding the Fourth Proportional to 10,454.04, 15,680.94 and 2,556.72

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Solution

The fourth proportional to 10,454.04, 15,680.94 and 2,556.72 is: 3,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.04 : 15,680.94 = 2,556.72 : x
  2. Step 2: Convert to fraction form
    10,454.04/15,680.94 = 2,556.72/x
  3. Step 3: Cross multiply
    10,454.04x = 15,680.94 × 2,556.72
  4. Step 4: Simplify right side
    10,454.04x = 40,091,772.92
  5. Step 5: Solve for x
    x = 40,091,772.92/10,454.04
  6. Step 6: Final answer
    x = 3,835.05

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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.