Home / 18,136.01-27,187.58-6,446.49

Finding the Fourth Proportional to 18,136.01, 27,187.58 and 6,446.49

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Solution

The fourth proportional to 18,136.01, 27,187.58 and 6,446.49 is: 9,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.01 : 27,187.58 = 6,446.49 : x
  2. Step 2: Convert to fraction form
    18,136.01/27,187.58 = 6,446.49/x
  3. Step 3: Cross multiply
    18,136.01x = 27,187.58 × 6,446.49
  4. Step 4: Simplify right side
    18,136.01x = 175,264,430.36
  5. Step 5: Solve for x
    x = 175,264,430.36/18,136.01
  6. Step 6: Final answer
    x = 9,663.89

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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.