Home / 21,741.51-32,602.70-11,217.49

Finding the Fourth Proportional to 21,741.51, 32,602.70 and 11,217.49

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Solution

The fourth proportional to 21,741.51, 32,602.70 and 11,217.49 is: 16,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.51 : 32,602.70 = 11,217.49 : x
  2. Step 2: Convert to fraction form
    21,741.51/32,602.70 = 11,217.49/x
  3. Step 3: Cross multiply
    21,741.51x = 32,602.70 × 11,217.49
  4. Step 4: Simplify right side
    21,741.51x = 365,720,407.76
  5. Step 5: Solve for x
    x = 365,720,407.76/21,741.51
  6. Step 6: Final answer
    x = 16,821.29

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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.