Home / 16,554.81-22,845.64-9,102.81

Finding the Fourth Proportional to 16,554.81, 22,845.64 and 9,102.81

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Solution

The fourth proportional to 16,554.81, 22,845.64 and 9,102.81 is: 12,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,554.81 : 22,845.64 = 9,102.81 : x
  2. Step 2: Convert to fraction form
    16,554.81/22,845.64 = 9,102.81/x
  3. Step 3: Cross multiply
    16,554.81x = 22,845.64 × 9,102.81
  4. Step 4: Simplify right side
    16,554.81x = 207,959,520.25
  5. Step 5: Solve for x
    x = 207,959,520.25/16,554.81
  6. Step 6: Final answer
    x = 12,561.88

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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.