Home / 14,675.94-20,226.34-10,690.74

Finding the Fourth Proportional to 14,675.94, 20,226.34 and 10,690.74

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Solution

The fourth proportional to 14,675.94, 20,226.34 and 10,690.74 is: 14,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.94 : 20,226.34 = 10,690.74 : x
  2. Step 2: Convert to fraction form
    14,675.94/20,226.34 = 10,690.74/x
  3. Step 3: Cross multiply
    14,675.94x = 20,226.34 × 10,690.74
  4. Step 4: Simplify right side
    14,675.94x = 216,234,542.09
  5. Step 5: Solve for x
    x = 216,234,542.09/14,675.94
  6. Step 6: Final answer
    x = 14,733.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.