Home / 14,552.78-21,829.66-11,387.30

Finding the Fourth Proportional to 14,552.78, 21,829.66 and 11,387.30

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Solution

The fourth proportional to 14,552.78, 21,829.66 and 11,387.30 is: 17,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,552.78 : 21,829.66 = 11,387.30 : x
  2. Step 2: Convert to fraction form
    14,552.78/21,829.66 = 11,387.30/x
  3. Step 3: Cross multiply
    14,552.78x = 21,829.66 × 11,387.30
  4. Step 4: Simplify right side
    14,552.78x = 248,580,926.55
  5. Step 5: Solve for x
    x = 248,580,926.55/14,552.78
  6. Step 6: Final answer
    x = 17,081.33

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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.