Home / 16,618.50-24,895.80-13,089.87

Finding the Fourth Proportional to 16,618.50, 24,895.80 and 13,089.87

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Solution

The fourth proportional to 16,618.50, 24,895.80 and 13,089.87 is: 19,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.50 : 24,895.80 = 13,089.87 : x
  2. Step 2: Convert to fraction form
    16,618.50/24,895.80 = 13,089.87/x
  3. Step 3: Cross multiply
    16,618.50x = 24,895.80 × 13,089.87
  4. Step 4: Simplify right side
    16,618.50x = 325,882,785.55
  5. Step 5: Solve for x
    x = 325,882,785.55/16,618.50
  6. Step 6: Final answer
    x = 19,609.64

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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.