Home / 10,638.45-15,957.66-2,847.06

Finding the Fourth Proportional to 10,638.45, 15,957.66 and 2,847.06

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Solution

The fourth proportional to 10,638.45, 15,957.66 and 2,847.06 is: 4,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.45 : 15,957.66 = 2,847.06 : x
  2. Step 2: Convert to fraction form
    10,638.45/15,957.66 = 2,847.06/x
  3. Step 3: Cross multiply
    10,638.45x = 15,957.66 × 2,847.06
  4. Step 4: Simplify right side
    10,638.45x = 45,432,415.48
  5. Step 5: Solve for x
    x = 45,432,415.48/10,638.45
  6. Step 6: Final answer
    x = 4,270.59

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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.