Home / 19,321.37-26,663.60-10,823.78

Finding the Fourth Proportional to 19,321.37, 26,663.60 and 10,823.78

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Solution

The fourth proportional to 19,321.37, 26,663.60 and 10,823.78 is: 14,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.37 : 26,663.60 = 10,823.78 : x
  2. Step 2: Convert to fraction form
    19,321.37/26,663.60 = 10,823.78/x
  3. Step 3: Cross multiply
    19,321.37x = 26,663.60 × 10,823.78
  4. Step 4: Simplify right side
    19,321.37x = 288,600,940.41
  5. Step 5: Solve for x
    x = 288,600,940.41/19,321.37
  6. Step 6: Final answer
    x = 14,936.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.