Home / 15,525.74-21,422.68-9,154.33

Finding the Fourth Proportional to 15,525.74, 21,422.68 and 9,154.33

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Solution

The fourth proportional to 15,525.74, 21,422.68 and 9,154.33 is: 12,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.74 : 21,422.68 = 9,154.33 : x
  2. Step 2: Convert to fraction form
    15,525.74/21,422.68 = 9,154.33/x
  3. Step 3: Cross multiply
    15,525.74x = 21,422.68 × 9,154.33
  4. Step 4: Simplify right side
    15,525.74x = 196,110,326.26
  5. Step 5: Solve for x
    x = 196,110,326.26/15,525.74
  6. Step 6: Final answer
    x = 12,631.30

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Similar ratio
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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.