Home / 13,576.12-18,734.82-7,607.75

Finding the Fourth Proportional to 13,576.12, 18,734.82 and 7,607.75

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Solution

The fourth proportional to 13,576.12, 18,734.82 and 7,607.75 is: 10,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.12 : 18,734.82 = 7,607.75 : x
  2. Step 2: Convert to fraction form
    13,576.12/18,734.82 = 7,607.75/x
  3. Step 3: Cross multiply
    13,576.12x = 18,734.82 × 7,607.75
  4. Step 4: Simplify right side
    13,576.12x = 142,529,826.86
  5. Step 5: Solve for x
    x = 142,529,826.86/13,576.12
  6. Step 6: Final answer
    x = 10,498.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.