Home / 14,250.84-21,376.56-4,890.78

Finding the Fourth Proportional to 14,250.84, 21,376.56 and 4,890.78

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Solution

The fourth proportional to 14,250.84, 21,376.56 and 4,890.78 is: 7,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.84 : 21,376.56 = 4,890.78 : x
  2. Step 2: Convert to fraction form
    14,250.84/21,376.56 = 4,890.78/x
  3. Step 3: Cross multiply
    14,250.84x = 21,376.56 × 4,890.78
  4. Step 4: Simplify right side
    14,250.84x = 104,548,052.12
  5. Step 5: Solve for x
    x = 104,548,052.12/14,250.84
  6. Step 6: Final answer
    x = 7,336.27

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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.