Home / 21,492.53-32,238.79-9,018.43

Finding the Fourth Proportional to 21,492.53, 32,238.79 and 9,018.43

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Solution

The fourth proportional to 21,492.53, 32,238.79 and 9,018.43 is: 13,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.53 : 32,238.79 = 9,018.43 : x
  2. Step 2: Convert to fraction form
    21,492.53/32,238.79 = 9,018.43/x
  3. Step 3: Cross multiply
    21,492.53x = 32,238.79 × 9,018.43
  4. Step 4: Simplify right side
    21,492.53x = 290,743,270.90
  5. Step 5: Solve for x
    x = 290,743,270.90/21,492.53
  6. Step 6: Final answer
    x = 13,527.64

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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.