Home / 18,293.34-27,441.18-7,905

Finding the Fourth Proportional to 18,293.34, 27,441.18 and 7,905

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Solution

The fourth proportional to 18,293.34, 27,441.18 and 7,905 is: 11,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.34 : 27,441.18 = 7,905 : x
  2. Step 2: Convert to fraction form
    18,293.34/27,441.18 = 7,905/x
  3. Step 3: Cross multiply
    18,293.34x = 27,441.18 × 7,905
  4. Step 4: Simplify right side
    18,293.34x = 216,922,527.90
  5. Step 5: Solve for x
    x = 216,922,527.90/18,293.34
  6. Step 6: Final answer
    x = 11,858.01

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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.