Home / 18,701.26-28,046.32-7,011.74

Finding the Fourth Proportional to 18,701.26, 28,046.32 and 7,011.74

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Solution

The fourth proportional to 18,701.26, 28,046.32 and 7,011.74 is: 10,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.26 : 28,046.32 = 7,011.74 : x
  2. Step 2: Convert to fraction form
    18,701.26/28,046.32 = 7,011.74/x
  3. Step 3: Cross multiply
    18,701.26x = 28,046.32 × 7,011.74
  4. Step 4: Simplify right side
    18,701.26x = 196,653,503.80
  5. Step 5: Solve for x
    x = 196,653,503.80/18,701.26
  6. Step 6: Final answer
    x = 10,515.52

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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.