Home / 21,647.13-32,487.72-11,116.74

Finding the Fourth Proportional to 21,647.13, 32,487.72 and 11,116.74

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Solution

The fourth proportional to 21,647.13, 32,487.72 and 11,116.74 is: 16,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.13 : 32,487.72 = 11,116.74 : x
  2. Step 2: Convert to fraction form
    21,647.13/32,487.72 = 11,116.74/x
  3. Step 3: Cross multiply
    21,647.13x = 32,487.72 × 11,116.74
  4. Step 4: Simplify right side
    21,647.13x = 361,157,536.43
  5. Step 5: Solve for x
    x = 361,157,536.43/21,647.13
  6. Step 6: Final answer
    x = 16,683.85

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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.