Home / 14,253.84-21,381.13-6,755.64

Finding the Fourth Proportional to 14,253.84, 21,381.13 and 6,755.64

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Solution

The fourth proportional to 14,253.84, 21,381.13 and 6,755.64 is: 10,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.84 : 21,381.13 = 6,755.64 : x
  2. Step 2: Convert to fraction form
    14,253.84/21,381.13 = 6,755.64/x
  3. Step 3: Cross multiply
    14,253.84x = 21,381.13 × 6,755.64
  4. Step 4: Simplify right side
    14,253.84x = 144,443,217.07
  5. Step 5: Solve for x
    x = 144,443,217.07/14,253.84
  6. Step 6: Final answer
    x = 10,133.64

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1.5x scale

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.