Home / 16,452.90-22,685.04-11,421.36

Finding the Fourth Proportional to 16,452.90, 22,685.04 and 11,421.36

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Solution

The fourth proportional to 16,452.90, 22,685.04 and 11,421.36 is: 15,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,452.90 : 22,685.04 = 11,421.36 : x
  2. Step 2: Convert to fraction form
    16,452.90/22,685.04 = 11,421.36/x
  3. Step 3: Cross multiply
    16,452.90x = 22,685.04 × 11,421.36
  4. Step 4: Simplify right side
    16,452.90x = 259,094,008.45
  5. Step 5: Solve for x
    x = 259,094,008.45/16,452.90
  6. Step 6: Final answer
    x = 15,747.62

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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.