Home / 18,136.25-27,215.18-9,816.11

Finding the Fourth Proportional to 18,136.25, 27,215.18 and 9,816.11

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Solution

The fourth proportional to 18,136.25, 27,215.18 and 9,816.11 is: 14,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.25 : 27,215.18 = 9,816.11 : x
  2. Step 2: Convert to fraction form
    18,136.25/27,215.18 = 9,816.11/x
  3. Step 3: Cross multiply
    18,136.25x = 27,215.18 × 9,816.11
  4. Step 4: Simplify right side
    18,136.25x = 267,147,089.01
  5. Step 5: Solve for x
    x = 267,147,089.01/18,136.25
  6. Step 6: Final answer
    x = 14,730.00

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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.