Home / 18,145.95-27,219.93-5,667.69

Finding the Fourth Proportional to 18,145.95, 27,219.93 and 5,667.69

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Solution

The fourth proportional to 18,145.95, 27,219.93 and 5,667.69 is: 8,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.95 : 27,219.93 = 5,667.69 : x
  2. Step 2: Convert to fraction form
    18,145.95/27,219.93 = 5,667.69/x
  3. Step 3: Cross multiply
    18,145.95x = 27,219.93 × 5,667.69
  4. Step 4: Simplify right side
    18,145.95x = 154,274,125.06
  5. Step 5: Solve for x
    x = 154,274,125.06/18,145.95
  6. Step 6: Final answer
    x = 8,501.85

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Double scale
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Similar ratio
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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.