Home / 18,109.16-27,167.58-5,628.88

Finding the Fourth Proportional to 18,109.16, 27,167.58 and 5,628.88

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Solution

The fourth proportional to 18,109.16, 27,167.58 and 5,628.88 is: 8,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.16 : 27,167.58 = 5,628.88 : x
  2. Step 2: Convert to fraction form
    18,109.16/27,167.58 = 5,628.88/x
  3. Step 3: Cross multiply
    18,109.16x = 27,167.58 × 5,628.88
  4. Step 4: Simplify right side
    18,109.16x = 152,923,047.71
  5. Step 5: Solve for x
    x = 152,923,047.71/18,109.16
  6. Step 6: Final answer
    x = 8,444.51

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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.