Home / 14,055.32-21,076.92-9,921.92

Finding the Fourth Proportional to 14,055.32, 21,076.92 and 9,921.92

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Solution

The fourth proportional to 14,055.32, 21,076.92 and 9,921.92 is: 14,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.32 : 21,076.92 = 9,921.92 : x
  2. Step 2: Convert to fraction form
    14,055.32/21,076.92 = 9,921.92/x
  3. Step 3: Cross multiply
    14,055.32x = 21,076.92 × 9,921.92
  4. Step 4: Simplify right side
    14,055.32x = 209,123,514.09
  5. Step 5: Solve for x
    x = 209,123,514.09/14,055.32
  6. Step 6: Final answer
    x = 14,878.60

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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.