Home / 14,237.76-21,356.64-12,039.96

Finding the Fourth Proportional to 14,237.76, 21,356.64 and 12,039.96

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Solution

The fourth proportional to 14,237.76, 21,356.64 and 12,039.96 is: 18,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237.76 : 21,356.64 = 12,039.96 : x
  2. Step 2: Convert to fraction form
    14,237.76/21,356.64 = 12,039.96/x
  3. Step 3: Cross multiply
    14,237.76x = 21,356.64 × 12,039.96
  4. Step 4: Simplify right side
    14,237.76x = 257,133,091.33
  5. Step 5: Solve for x
    x = 257,133,091.33/14,237.76
  6. Step 6: Final answer
    x = 18,059.94

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Similar ratio
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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.