Home / 17,740.80-26,609.58-8,981.64

Finding the Fourth Proportional to 17,740.80, 26,609.58 and 8,981.64

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Solution

The fourth proportional to 17,740.80, 26,609.58 and 8,981.64 is: 13,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.80 : 26,609.58 = 8,981.64 : x
  2. Step 2: Convert to fraction form
    17,740.80/26,609.58 = 8,981.64/x
  3. Step 3: Cross multiply
    17,740.80x = 26,609.58 × 8,981.64
  4. Step 4: Simplify right side
    17,740.80x = 238,997,668.11
  5. Step 5: Solve for x
    x = 238,997,668.11/17,740.80
  6. Step 6: Final answer
    x = 13,471.64

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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.