Home / 18,389.05-27,561.98-8,507.46

Finding the Fourth Proportional to 18,389.05, 27,561.98 and 8,507.46

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Solution

The fourth proportional to 18,389.05, 27,561.98 and 8,507.46 is: 12,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.05 : 27,561.98 = 8,507.46 : x
  2. Step 2: Convert to fraction form
    18,389.05/27,561.98 = 8,507.46/x
  3. Step 3: Cross multiply
    18,389.05x = 27,561.98 × 8,507.46
  4. Step 4: Simplify right side
    18,389.05x = 234,482,262.02
  5. Step 5: Solve for x
    x = 234,482,262.02/18,389.05
  6. Step 6: Final answer
    x = 12,751.19

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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.