Home / 12,436.65-18,633.96-10,475.64

Finding the Fourth Proportional to 12,436.65, 18,633.96 and 10,475.64

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Solution

The fourth proportional to 12,436.65, 18,633.96 and 10,475.64 is: 15,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.65 : 18,633.96 = 10,475.64 : x
  2. Step 2: Convert to fraction form
    12,436.65/18,633.96 = 10,475.64/x
  3. Step 3: Cross multiply
    12,436.65x = 18,633.96 × 10,475.64
  4. Step 4: Simplify right side
    12,436.65x = 195,202,656.73
  5. Step 5: Solve for x
    x = 195,202,656.73/12,436.65
  6. Step 6: Final answer
    x = 15,695.76

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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.