Home / 15,827.74-21,852.24-10,164.78

Finding the Fourth Proportional to 15,827.74, 21,852.24 and 10,164.78

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Solution

The fourth proportional to 15,827.74, 21,852.24 and 10,164.78 is: 14,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.74 : 21,852.24 = 10,164.78 : x
  2. Step 2: Convert to fraction form
    15,827.74/21,852.24 = 10,164.78/x
  3. Step 3: Cross multiply
    15,827.74x = 21,852.24 × 10,164.78
  4. Step 4: Simplify right side
    15,827.74x = 222,123,212.11
  5. Step 5: Solve for x
    x = 222,123,212.11/15,827.74
  6. Step 6: Final answer
    x = 14,033.79

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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.