Home / 14,122.84-21,185.60-4,762.48

Finding the Fourth Proportional to 14,122.84, 21,185.60 and 4,762.48

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Solution

The fourth proportional to 14,122.84, 21,185.60 and 4,762.48 is: 7,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.84 : 21,185.60 = 4,762.48 : x
  2. Step 2: Convert to fraction form
    14,122.84/21,185.60 = 4,762.48/x
  3. Step 3: Cross multiply
    14,122.84x = 21,185.60 × 4,762.48
  4. Step 4: Simplify right side
    14,122.84x = 100,895,996.29
  5. Step 5: Solve for x
    x = 100,895,996.29/14,122.84
  6. Step 6: Final answer
    x = 7,144.17

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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.