Home / 15,954.08-22,032.96-11,968.88

Finding the Fourth Proportional to 15,954.08, 22,032.96 and 11,968.88

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Solution

The fourth proportional to 15,954.08, 22,032.96 and 11,968.88 is: 16,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.08 : 22,032.96 = 11,968.88 : x
  2. Step 2: Convert to fraction form
    15,954.08/22,032.96 = 11,968.88/x
  3. Step 3: Cross multiply
    15,954.08x = 22,032.96 × 11,968.88
  4. Step 4: Simplify right side
    15,954.08x = 263,709,854.28
  5. Step 5: Solve for x
    x = 263,709,854.28/15,954.08
  6. Step 6: Final answer
    x = 16,529.30

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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.