Home / 15,526.33-21,425.79-8,452.60

Finding the Fourth Proportional to 15,526.33, 21,425.79 and 8,452.60

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Solution

The fourth proportional to 15,526.33, 21,425.79 and 8,452.60 is: 11,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.33 : 21,425.79 = 8,452.60 : x
  2. Step 2: Convert to fraction form
    15,526.33/21,425.79 = 8,452.60/x
  3. Step 3: Cross multiply
    15,526.33x = 21,425.79 × 8,452.60
  4. Step 4: Simplify right side
    15,526.33x = 181,103,632.55
  5. Step 5: Solve for x
    x = 181,103,632.55/15,526.33
  6. Step 6: Final answer
    x = 11,664.29

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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.