Home / 18,207.63-27,314.51-8,864.28

Finding the Fourth Proportional to 18,207.63, 27,314.51 and 8,864.28

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Solution

The fourth proportional to 18,207.63, 27,314.51 and 8,864.28 is: 13,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.63 : 27,314.51 = 8,864.28 : x
  2. Step 2: Convert to fraction form
    18,207.63/27,314.51 = 8,864.28/x
  3. Step 3: Cross multiply
    18,207.63x = 27,314.51 × 8,864.28
  4. Step 4: Simplify right side
    18,207.63x = 242,123,420.38
  5. Step 5: Solve for x
    x = 242,123,420.38/18,207.63
  6. Step 6: Final answer
    x = 13,297.91

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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.