Home / 21,513.58-32,250.30-7,272.14

Finding the Fourth Proportional to 21,513.58, 32,250.30 and 7,272.14

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Solution

The fourth proportional to 21,513.58, 32,250.30 and 7,272.14 is: 10,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.58 : 32,250.30 = 7,272.14 : x
  2. Step 2: Convert to fraction form
    21,513.58/32,250.30 = 7,272.14/x
  3. Step 3: Cross multiply
    21,513.58x = 32,250.30 × 7,272.14
  4. Step 4: Simplify right side
    21,513.58x = 234,528,843.81
  5. Step 5: Solve for x
    x = 234,528,843.81/21,513.58
  6. Step 6: Final answer
    x = 10,901.43

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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.