Home / 15,349.31-21,184.96-9,609.44

Finding the Fourth Proportional to 15,349.31, 21,184.96 and 9,609.44

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Solution

The fourth proportional to 15,349.31, 21,184.96 and 9,609.44 is: 13,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.31 : 21,184.96 = 9,609.44 : x
  2. Step 2: Convert to fraction form
    15,349.31/21,184.96 = 9,609.44/x
  3. Step 3: Cross multiply
    15,349.31x = 21,184.96 × 9,609.44
  4. Step 4: Simplify right side
    15,349.31x = 203,575,538.93
  5. Step 5: Solve for x
    x = 203,575,538.93/15,349.31
  6. Step 6: Final answer
    x = 13,262.84

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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.