Home / 18,581.05-27,867.93-9,211.24

Finding the Fourth Proportional to 18,581.05, 27,867.93 and 9,211.24

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Solution

The fourth proportional to 18,581.05, 27,867.93 and 9,211.24 is: 13,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.05 : 27,867.93 = 9,211.24 : x
  2. Step 2: Convert to fraction form
    18,581.05/27,867.93 = 9,211.24/x
  3. Step 3: Cross multiply
    18,581.05x = 27,867.93 × 9,211.24
  4. Step 4: Simplify right side
    18,581.05x = 256,698,191.53
  5. Step 5: Solve for x
    x = 256,698,191.53/18,581.05
  6. Step 6: Final answer
    x = 13,815.05

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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.