Home / 21,663.06-32,489.92-12,651.16

Finding the Fourth Proportional to 21,663.06, 32,489.92 and 12,651.16

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Solution

The fourth proportional to 21,663.06, 32,489.92 and 12,651.16 is: 18,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.06 : 32,489.92 = 12,651.16 : x
  2. Step 2: Convert to fraction form
    21,663.06/32,489.92 = 12,651.16/x
  3. Step 3: Cross multiply
    21,663.06x = 32,489.92 × 12,651.16
  4. Step 4: Simplify right side
    21,663.06x = 411,035,176.31
  5. Step 5: Solve for x
    x = 411,035,176.31/21,663.06
  6. Step 6: Final answer
    x = 18,974.01

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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.