Home / 8,742.16-13,108.24-4,059.76

Finding the Fourth Proportional to 8,742.16, 13,108.24 and 4,059.76

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Solution

The fourth proportional to 8,742.16, 13,108.24 and 4,059.76 is: 6,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.16 : 13,108.24 = 4,059.76 : x
  2. Step 2: Convert to fraction form
    8,742.16/13,108.24 = 4,059.76/x
  3. Step 3: Cross multiply
    8,742.16x = 13,108.24 × 4,059.76
  4. Step 4: Simplify right side
    8,742.16x = 53,216,308.42
  5. Step 5: Solve for x
    x = 53,216,308.42/8,742.16
  6. Step 6: Final answer
    x = 6,087.32

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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.