Home / 14,891.60-20,545.80-8,601.68

Finding the Fourth Proportional to 14,891.60, 20,545.80 and 8,601.68

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Solution

The fourth proportional to 14,891.60, 20,545.80 and 8,601.68 is: 11,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.60 : 20,545.80 = 8,601.68 : x
  2. Step 2: Convert to fraction form
    14,891.60/20,545.80 = 8,601.68/x
  3. Step 3: Cross multiply
    14,891.60x = 20,545.80 × 8,601.68
  4. Step 4: Simplify right side
    14,891.60x = 176,728,396.94
  5. Step 5: Solve for x
    x = 176,728,396.94/14,891.60
  6. Step 6: Final answer
    x = 11,867.66

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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.