Home / 21,408.06-32,116.97-11,547.12

Finding the Fourth Proportional to 21,408.06, 32,116.97 and 11,547.12

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Solution

The fourth proportional to 21,408.06, 32,116.97 and 11,547.12 is: 17,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,408.06 : 32,116.97 = 11,547.12 : x
  2. Step 2: Convert to fraction form
    21,408.06/32,116.97 = 11,547.12/x
  3. Step 3: Cross multiply
    21,408.06x = 32,116.97 × 11,547.12
  4. Step 4: Simplify right side
    21,408.06x = 370,858,655.93
  5. Step 5: Solve for x
    x = 370,858,655.93/21,408.06
  6. Step 6: Final answer
    x = 17,323.32

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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.