Home / 18,389.55-27,562.73-8,507.96

Finding the Fourth Proportional to 18,389.55, 27,562.73 and 8,507.96

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Solution

The fourth proportional to 18,389.55, 27,562.73 and 8,507.96 is: 12,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.55 : 27,562.73 = 8,507.96 : x
  2. Step 2: Convert to fraction form
    18,389.55/27,562.73 = 8,507.96/x
  3. Step 3: Cross multiply
    18,389.55x = 27,562.73 × 8,507.96
  4. Step 4: Simplify right side
    18,389.55x = 234,502,423.98
  5. Step 5: Solve for x
    x = 234,502,423.98/18,389.55
  6. Step 6: Final answer
    x = 12,751.94

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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.