Home / 18,485.43-27,711.50-6,636.42

Finding the Fourth Proportional to 18,485.43, 27,711.50 and 6,636.42

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Solution

The fourth proportional to 18,485.43, 27,711.50 and 6,636.42 is: 9,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.43 : 27,711.50 = 6,636.42 : x
  2. Step 2: Convert to fraction form
    18,485.43/27,711.50 = 6,636.42/x
  3. Step 3: Cross multiply
    18,485.43x = 27,711.50 × 6,636.42
  4. Step 4: Simplify right side
    18,485.43x = 183,905,152.83
  5. Step 5: Solve for x
    x = 183,905,152.83/18,485.43
  6. Step 6: Final answer
    x = 9,948.65

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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.