Home / 14,084.75-21,129.64-4,727.82

Finding the Fourth Proportional to 14,084.75, 21,129.64 and 4,727.82

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Solution

The fourth proportional to 14,084.75, 21,129.64 and 4,727.82 is: 7,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.75 : 21,129.64 = 4,727.82 : x
  2. Step 2: Convert to fraction form
    14,084.75/21,129.64 = 4,727.82/x
  3. Step 3: Cross multiply
    14,084.75x = 21,129.64 × 4,727.82
  4. Step 4: Simplify right side
    14,084.75x = 99,897,109.74
  5. Step 5: Solve for x
    x = 99,897,109.74/14,084.75
  6. Step 6: Final answer
    x = 7,092.57

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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.