Home / 12,958.65-19,438.02-3,599.18

Finding the Fourth Proportional to 12,958.65, 19,438.02 and 3,599.18

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Solution

The fourth proportional to 12,958.65, 19,438.02 and 3,599.18 is: 5,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.65 : 19,438.02 = 3,599.18 : x
  2. Step 2: Convert to fraction form
    12,958.65/19,438.02 = 3,599.18/x
  3. Step 3: Cross multiply
    12,958.65x = 19,438.02 × 3,599.18
  4. Step 4: Simplify right side
    12,958.65x = 69,960,981.42
  5. Step 5: Solve for x
    x = 69,960,981.42/12,958.65
  6. Step 6: Final answer
    x = 5,398.78

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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.