Home / 18,156.72-27,221.24-9,386.04

Finding the Fourth Proportional to 18,156.72, 27,221.24 and 9,386.04

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Solution

The fourth proportional to 18,156.72, 27,221.24 and 9,386.04 is: 14,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.72 : 27,221.24 = 9,386.04 : x
  2. Step 2: Convert to fraction form
    18,156.72/27,221.24 = 9,386.04/x
  3. Step 3: Cross multiply
    18,156.72x = 27,221.24 × 9,386.04
  4. Step 4: Simplify right side
    18,156.72x = 255,499,647.49
  5. Step 5: Solve for x
    x = 255,499,647.49/18,156.72
  6. Step 6: Final answer
    x = 14,071.91

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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.