Home / 12,635.16-18,944.10-6,785.88

Finding the Fourth Proportional to 12,635.16, 18,944.10 and 6,785.88

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Solution

The fourth proportional to 12,635.16, 18,944.10 and 6,785.88 is: 10,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.16 : 18,944.10 = 6,785.88 : x
  2. Step 2: Convert to fraction form
    12,635.16/18,944.10 = 6,785.88/x
  3. Step 3: Cross multiply
    12,635.16x = 18,944.10 × 6,785.88
  4. Step 4: Simplify right side
    12,635.16x = 128,552,389.31
  5. Step 5: Solve for x
    x = 128,552,389.31/12,635.16
  6. Step 6: Final answer
    x = 10,174.18

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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.