Home / 15,525.36-21,425.40-8,452.26

Finding the Fourth Proportional to 15,525.36, 21,425.40 and 8,452.26

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Solution

The fourth proportional to 15,525.36, 21,425.40 and 8,452.26 is: 11,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.36 : 21,425.40 = 8,452.26 : x
  2. Step 2: Convert to fraction form
    15,525.36/21,425.40 = 8,452.26/x
  3. Step 3: Cross multiply
    15,525.36x = 21,425.40 × 8,452.26
  4. Step 4: Simplify right side
    15,525.36x = 181,093,051.40
  5. Step 5: Solve for x
    x = 181,093,051.40/15,525.36
  6. Step 6: Final answer
    x = 11,664.34

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Double scale
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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.