Home / 10,742.72-16,113.12-6,297.92

Finding the Fourth Proportional to 10,742.72, 16,113.12 and 6,297.92

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Solution

The fourth proportional to 10,742.72, 16,113.12 and 6,297.92 is: 9,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.72 : 16,113.12 = 6,297.92 : x
  2. Step 2: Convert to fraction form
    10,742.72/16,113.12 = 6,297.92/x
  3. Step 3: Cross multiply
    10,742.72x = 16,113.12 × 6,297.92
  4. Step 4: Simplify right side
    10,742.72x = 101,479,140.71
  5. Step 5: Solve for x
    x = 101,479,140.71/10,742.72
  6. Step 6: Final answer
    x = 9,446.32

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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.