Home / 12,704.42-17,530.34-7,037.76

Finding the Fourth Proportional to 12,704.42, 17,530.34 and 7,037.76

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Solution

The fourth proportional to 12,704.42, 17,530.34 and 7,037.76 is: 9,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.42 : 17,530.34 = 7,037.76 : x
  2. Step 2: Convert to fraction form
    12,704.42/17,530.34 = 7,037.76/x
  3. Step 3: Cross multiply
    12,704.42x = 17,530.34 × 7,037.76
  4. Step 4: Simplify right side
    12,704.42x = 123,374,325.64
  5. Step 5: Solve for x
    x = 123,374,325.64/12,704.42
  6. Step 6: Final answer
    x = 9,711.13

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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.