Home / 22,126.44-30,492.06-14,154.78

Finding the Fourth Proportional to 22,126.44, 30,492.06 and 14,154.78

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Solution

The fourth proportional to 22,126.44, 30,492.06 and 14,154.78 is: 19,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.44 : 30,492.06 = 14,154.78 : x
  2. Step 2: Convert to fraction form
    22,126.44/30,492.06 = 14,154.78/x
  3. Step 3: Cross multiply
    22,126.44x = 30,492.06 × 14,154.78
  4. Step 4: Simplify right side
    22,126.44x = 431,608,401.05
  5. Step 5: Solve for x
    x = 431,608,401.05/22,126.44
  6. Step 6: Final answer
    x = 19,506.45

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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.