Home / 21,483.09-32,196.80-11,995.16

Finding the Fourth Proportional to 21,483.09, 32,196.80 and 11,995.16

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Solution

The fourth proportional to 21,483.09, 32,196.80 and 11,995.16 is: 17,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.09 : 32,196.80 = 11,995.16 : x
  2. Step 2: Convert to fraction form
    21,483.09/32,196.80 = 11,995.16/x
  3. Step 3: Cross multiply
    21,483.09x = 32,196.80 × 11,995.16
  4. Step 4: Simplify right side
    21,483.09x = 386,205,546.53
  5. Step 5: Solve for x
    x = 386,205,546.53/21,483.09
  6. Step 6: Final answer
    x = 17,977.19

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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.