Home / 15,526.02-21,425.80-8,452.42

Finding the Fourth Proportional to 15,526.02, 21,425.80 and 8,452.42

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Solution

The fourth proportional to 15,526.02, 21,425.80 and 8,452.42 is: 11,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.02 : 21,425.80 = 8,452.42 : x
  2. Step 2: Convert to fraction form
    15,526.02/21,425.80 = 8,452.42/x
  3. Step 3: Cross multiply
    15,526.02x = 21,425.80 × 8,452.42
  4. Step 4: Simplify right side
    15,526.02x = 181,099,860.44
  5. Step 5: Solve for x
    x = 181,099,860.44/15,526.02
  6. Step 6: Final answer
    x = 11,664.28

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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.