Home / 10,078.44-15,117.63-2,682.90

Finding the Fourth Proportional to 10,078.44, 15,117.63 and 2,682.90

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Solution

The fourth proportional to 10,078.44, 15,117.63 and 2,682.90 is: 4,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.44 : 15,117.63 = 2,682.90 : x
  2. Step 2: Convert to fraction form
    10,078.44/15,117.63 = 2,682.90/x
  3. Step 3: Cross multiply
    10,078.44x = 15,117.63 × 2,682.90
  4. Step 4: Simplify right side
    10,078.44x = 40,559,089.53
  5. Step 5: Solve for x
    x = 40,559,089.53/10,078.44
  6. Step 6: Final answer
    x = 4,024.34

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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.