Home / 22,185.04-30,614.28-12,751.44

Finding the Fourth Proportional to 22,185.04, 30,614.28 and 12,751.44

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Solution

The fourth proportional to 22,185.04, 30,614.28 and 12,751.44 is: 17,596.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.04 : 30,614.28 = 12,751.44 : x
  2. Step 2: Convert to fraction form
    22,185.04/30,614.28 = 12,751.44/x
  3. Step 3: Cross multiply
    22,185.04x = 30,614.28 × 12,751.44
  4. Step 4: Simplify right side
    22,185.04x = 390,376,154.56
  5. Step 5: Solve for x
    x = 390,376,154.56/22,185.04
  6. Step 6: Final answer
    x = 17,596.37

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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.