Home / 19,167.18-28,754.42-6,690.77

Finding the Fourth Proportional to 19,167.18, 28,754.42 and 6,690.77

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Solution

The fourth proportional to 19,167.18, 28,754.42 and 6,690.77 is: 10,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.18 : 28,754.42 = 6,690.77 : x
  2. Step 2: Convert to fraction form
    19,167.18/28,754.42 = 6,690.77/x
  3. Step 3: Cross multiply
    19,167.18x = 28,754.42 × 6,690.77
  4. Step 4: Simplify right side
    19,167.18x = 192,389,033.48
  5. Step 5: Solve for x
    x = 192,389,033.48/19,167.18
  6. Step 6: Final answer
    x = 10,037.42

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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.