Home / 16,452.81-22,681.26-11,728.89

Finding the Fourth Proportional to 16,452.81, 22,681.26 and 11,728.89

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Solution

The fourth proportional to 16,452.81, 22,681.26 and 11,728.89 is: 16,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,452.81 : 22,681.26 = 11,728.89 : x
  2. Step 2: Convert to fraction form
    16,452.81/22,681.26 = 11,728.89/x
  3. Step 3: Cross multiply
    16,452.81x = 22,681.26 × 11,728.89
  4. Step 4: Simplify right side
    16,452.81x = 266,026,003.60
  5. Step 5: Solve for x
    x = 266,026,003.60/16,452.81
  6. Step 6: Final answer
    x = 16,169.03

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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.