Home / 21,964.84-30,325.48-14,424.56

Finding the Fourth Proportional to 21,964.84, 30,325.48 and 14,424.56

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Solution

The fourth proportional to 21,964.84, 30,325.48 and 14,424.56 is: 19,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.84 : 30,325.48 = 14,424.56 : x
  2. Step 2: Convert to fraction form
    21,964.84/30,325.48 = 14,424.56/x
  3. Step 3: Cross multiply
    21,964.84x = 30,325.48 × 14,424.56
  4. Step 4: Simplify right side
    21,964.84x = 437,431,705.79
  5. Step 5: Solve for x
    x = 437,431,705.79/21,964.84
  6. Step 6: Final answer
    x = 19,915.09

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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.