Home / 18,962.74-28,434.75-5,811.94

Finding the Fourth Proportional to 18,962.74, 28,434.75 and 5,811.94

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Solution

The fourth proportional to 18,962.74, 28,434.75 and 5,811.94 is: 8,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.74 : 28,434.75 = 5,811.94 : x
  2. Step 2: Convert to fraction form
    18,962.74/28,434.75 = 5,811.94/x
  3. Step 3: Cross multiply
    18,962.74x = 28,434.75 × 5,811.94
  4. Step 4: Simplify right side
    18,962.74x = 165,261,060.92
  5. Step 5: Solve for x
    x = 165,261,060.92/18,962.74
  6. Step 6: Final answer
    x = 8,715.04

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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.