Home / 21,564.09-32,346.14-13,674.48

Finding the Fourth Proportional to 21,564.09, 32,346.14 and 13,674.48

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Solution

The fourth proportional to 21,564.09, 32,346.14 and 13,674.48 is: 20,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.09 : 32,346.14 = 13,674.48 : x
  2. Step 2: Convert to fraction form
    21,564.09/32,346.14 = 13,674.48/x
  3. Step 3: Cross multiply
    21,564.09x = 32,346.14 × 13,674.48
  4. Step 4: Simplify right side
    21,564.09x = 442,316,576.13
  5. Step 5: Solve for x
    x = 442,316,576.13/21,564.09
  6. Step 6: Final answer
    x = 20,511.72

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.