Home / 19,696.42-29,565.72-10,938.70

Finding the Fourth Proportional to 19,696.42, 29,565.72 and 10,938.70

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Solution

The fourth proportional to 19,696.42, 29,565.72 and 10,938.70 is: 16,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.42 : 29,565.72 = 10,938.70 : x
  2. Step 2: Convert to fraction form
    19,696.42/29,565.72 = 10,938.70/x
  3. Step 3: Cross multiply
    19,696.42x = 29,565.72 × 10,938.70
  4. Step 4: Simplify right side
    19,696.42x = 323,410,541.36
  5. Step 5: Solve for x
    x = 323,410,541.36/19,696.42
  6. Step 6: Final answer
    x = 16,419.76

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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.