Home / 18,376.88-27,568.98-6,688.58

Finding the Fourth Proportional to 18,376.88, 27,568.98 and 6,688.58

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Solution

The fourth proportional to 18,376.88, 27,568.98 and 6,688.58 is: 10,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.88 : 27,568.98 = 6,688.58 : x
  2. Step 2: Convert to fraction form
    18,376.88/27,568.98 = 6,688.58/x
  3. Step 3: Cross multiply
    18,376.88x = 27,568.98 × 6,688.58
  4. Step 4: Simplify right side
    18,376.88x = 184,397,328.25
  5. Step 5: Solve for x
    x = 184,397,328.25/18,376.88
  6. Step 6: Final answer
    x = 10,034.20

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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.